diff --git a/services/web/migrations/20230817081910_back_fill_gitBridge_feature_server_pro.mjs b/services/web/migrations/20230817081910_back_fill_gitBridge_feature_server_pro.mjs
index 2325394c76..3090d66d88 100644
--- a/services/web/migrations/20230817081910_back_fill_gitBridge_feature_server_pro.mjs
+++ b/services/web/migrations/20230817081910_back_fill_gitBridge_feature_server_pro.mjs
@@ -3,7 +3,7 @@ const tags = ['server-ce', 'server-pro']
 const migrate = async () => {
   // Run-time import as SaaS does not ship with the server-ce-scripts module
   const { default: runScript } = await import(
-    '../modules/server-ce-scripts/scripts/upgrade-user-features.mjs'
+    '../modules/server-ce-scripts/scripts/upgrade-user-features.js'
   )
   await runScript(false, {
     gitBridge: 1,
diff --git a/services/web/modules/server-ce-scripts/index.mjs b/services/web/modules/server-ce-scripts/index.js
similarity index 75%
rename from services/web/modules/server-ce-scripts/index.mjs
rename to services/web/modules/server-ce-scripts/index.js
index e6df0f30af..28c3d81419 100644
--- a/services/web/modules/server-ce-scripts/index.mjs
+++ b/services/web/modules/server-ce-scripts/index.js
@@ -3,4 +3,4 @@
 /** @type {WebModule} */
 const ServerCeScriptsModule = {}
 
-export default ServerCeScriptsModule
+module.exports = ServerCeScriptsModule
diff --git a/services/web/modules/server-ce-scripts/scripts/change-compile-timeout.mjs b/services/web/modules/server-ce-scripts/scripts/change-compile-timeout.js
similarity index 91%
rename from services/web/modules/server-ce-scripts/scripts/change-compile-timeout.mjs
rename to services/web/modules/server-ce-scripts/scripts/change-compile-timeout.js
index 3a2d982688..ca99e6233f 100644
--- a/services/web/modules/server-ce-scripts/scripts/change-compile-timeout.mjs
+++ b/services/web/modules/server-ce-scripts/scripts/change-compile-timeout.js
@@ -1,9 +1,9 @@
-import minimist from 'minimist'
-import {
+const minimist = require('minimist')
+const {
   db,
   ObjectId,
   waitForDb,
-} from '../../../app/src/infrastructure/mongodb.js'
+} = require('../../../app/src/infrastructure/mongodb')
 
 async function main() {
   await waitForDb()
diff --git a/services/web/modules/server-ce-scripts/scripts/check-mongodb.mjs b/services/web/modules/server-ce-scripts/scripts/check-mongodb.js
similarity index 84%
rename from services/web/modules/server-ce-scripts/scripts/check-mongodb.mjs
rename to services/web/modules/server-ce-scripts/scripts/check-mongodb.js
index 401e780632..3dd9f33b61 100644
--- a/services/web/modules/server-ce-scripts/scripts/check-mongodb.mjs
+++ b/services/web/modules/server-ce-scripts/scripts/check-mongodb.js
@@ -1,9 +1,6 @@
-import mongodb from 'mongodb-legacy'
-import { waitForDb, db } from '../../../app/src/infrastructure/mongodb.js'
-import mongoose from '../../../app/src/infrastructure/Mongoose.js'
-
-const { ObjectId } = mongodb
-const { getMongoClient } = mongoose
+const { ObjectId } = require('mongodb-legacy')
+const { waitForDb, db } = require('../../../app/src/infrastructure/mongodb')
+const { getMongoClient } = require('../../../app/src/infrastructure/Mongoose')
 
 const MIN_MONGO_VERSION = [5, 0]
 
diff --git a/services/web/modules/server-ce-scripts/scripts/check-redis.mjs b/services/web/modules/server-ce-scripts/scripts/check-redis.js
similarity index 82%
rename from services/web/modules/server-ce-scripts/scripts/check-redis.mjs
rename to services/web/modules/server-ce-scripts/scripts/check-redis.js
index 213bcc9714..6402619eaa 100644
--- a/services/web/modules/server-ce-scripts/scripts/check-redis.mjs
+++ b/services/web/modules/server-ce-scripts/scripts/check-redis.js
@@ -1,4 +1,4 @@
-import RedisWrapper from '../../../app/src/infrastructure/RedisWrapper.js'
+const RedisWrapper = require('../../../app/src/infrastructure/RedisWrapper')
 const rclient = RedisWrapper.client('health_check')
 rclient.on('error', err => {
   console.error('Cannot connect to redis.')
diff --git a/services/web/modules/server-ce-scripts/scripts/check-texlive-images.mjs b/services/web/modules/server-ce-scripts/scripts/check-texlive-images.js
similarity index 97%
rename from services/web/modules/server-ce-scripts/scripts/check-texlive-images.mjs
rename to services/web/modules/server-ce-scripts/scripts/check-texlive-images.js
index 7765b278cc..4f474650ff 100644
--- a/services/web/modules/server-ce-scripts/scripts/check-texlive-images.mjs
+++ b/services/web/modules/server-ce-scripts/scripts/check-texlive-images.js
@@ -1,4 +1,4 @@
-import { waitForDb, db } from '../../../app/src/infrastructure/mongodb.js'
+const { waitForDb, db } = require('../../../app/src/infrastructure/mongodb')
 
 async function readImagesInUse() {
   await waitForDb()
diff --git a/services/web/modules/server-ce-scripts/scripts/create-user.mjs b/services/web/modules/server-ce-scripts/scripts/create-user.js
similarity index 84%
rename from services/web/modules/server-ce-scripts/scripts/create-user.mjs
rename to services/web/modules/server-ce-scripts/scripts/create-user.js
index 2ec64081fc..031c78fff2 100644
--- a/services/web/modules/server-ce-scripts/scripts/create-user.mjs
+++ b/services/web/modules/server-ce-scripts/scripts/create-user.js
@@ -1,6 +1,6 @@
-import minimist from 'minimist'
-import { db, waitForDb } from '../../../app/src/infrastructure/mongodb.js'
-import UserRegistrationHandler from '../../../app/src/Features/User/UserRegistrationHandler.js'
+const minimist = require('minimist')
+const { db, waitForDb } = require('../../../app/src/infrastructure/mongodb')
+const UserRegistrationHandler = require('../../../app/src/Features/User/UserRegistrationHandler')
 
 async function main() {
   await waitForDb()
diff --git a/services/web/modules/server-ce-scripts/scripts/delete-user.mjs b/services/web/modules/server-ce-scripts/scripts/delete-user.js
similarity index 80%
rename from services/web/modules/server-ce-scripts/scripts/delete-user.mjs
rename to services/web/modules/server-ce-scripts/scripts/delete-user.js
index 68f060c386..ff1060984a 100644
--- a/services/web/modules/server-ce-scripts/scripts/delete-user.mjs
+++ b/services/web/modules/server-ce-scripts/scripts/delete-user.js
@@ -1,6 +1,6 @@
-import { waitForDb } from '../../../app/src/infrastructure/mongodb.js'
-import UserGetter from '../../../app/src/Features/User/UserGetter.js'
-import UserDeleter from '../../../app/src/Features/User/UserDeleter.js'
+const { waitForDb } = require('../../../app/src/infrastructure/mongodb')
+const UserGetter = require('../../../app/src/Features/User/UserGetter')
+const UserDeleter = require('../../../app/src/Features/User/UserDeleter')
 
 async function main() {
   await waitForDb()
diff --git a/services/web/modules/server-ce-scripts/scripts/migrate-user-emails.mjs b/services/web/modules/server-ce-scripts/scripts/migrate-user-emails.js
similarity index 91%
rename from services/web/modules/server-ce-scripts/scripts/migrate-user-emails.mjs
rename to services/web/modules/server-ce-scripts/scripts/migrate-user-emails.js
index 39d44f5369..d266ad46d2 100644
--- a/services/web/modules/server-ce-scripts/scripts/migrate-user-emails.mjs
+++ b/services/web/modules/server-ce-scripts/scripts/migrate-user-emails.js
@@ -9,16 +9,16 @@
 // Intended for Server Pro customers migrating user emails from one domain to
 // another.
 
-import minimist from 'minimist'
+const minimist = require('minimist')
+const { waitForDb } = require('../../../app/src/infrastructure/mongodb')
 
-import { waitForDb } from '../../../app/src/infrastructure/mongodb.js'
-import os from 'node:os'
-import fs from 'node:fs'
-import * as csv from 'csv/sync'
-import { parseEmail } from '../../../app/src/Features/Helpers/EmailHelper.js'
-import UserGetter from '../../../app/src/Features/User/UserGetter.js'
-import UserUpdater from '../../../app/src/Features/User/UserUpdater.js'
-import UserSessionsManager from '../../../app/src/Features/User/UserSessionsManager.js'
+const os = require('os')
+const fs = require('fs')
+const csv = require('csv/sync')
+const { parseEmail } = require('../../../app/src/Features/Helpers/EmailHelper')
+const UserGetter = require('../../../app/src/Features/User/UserGetter')
+const UserUpdater = require('../../../app/src/Features/User/UserUpdater')
+const UserSessionsManager = require('../../../app/src/Features/User/UserSessionsManager')
 
 const hostname = os.hostname()
 const scriptTimestamp = new Date().toISOString()
diff --git a/services/web/modules/server-ce-scripts/scripts/rename-tag.mjs b/services/web/modules/server-ce-scripts/scripts/rename-tag.js
similarity index 85%
rename from services/web/modules/server-ce-scripts/scripts/rename-tag.mjs
rename to services/web/modules/server-ce-scripts/scripts/rename-tag.js
index 28501a3674..51fa4377b6 100644
--- a/services/web/modules/server-ce-scripts/scripts/rename-tag.mjs
+++ b/services/web/modules/server-ce-scripts/scripts/rename-tag.js
@@ -1,5 +1,5 @@
-import minimist from 'minimist'
-import { db, waitForDb } from '../../../app/src/infrastructure/mongodb.js'
+const minimist = require('minimist')
+const { db, waitForDb } = require('../../../app/src/infrastructure/mongodb')
 
 async function main() {
   await waitForDb()
diff --git a/services/web/modules/server-ce-scripts/scripts/upgrade-user-features.mjs b/services/web/modules/server-ce-scripts/scripts/upgrade-user-features.js
similarity index 77%
rename from services/web/modules/server-ce-scripts/scripts/upgrade-user-features.mjs
rename to services/web/modules/server-ce-scripts/scripts/upgrade-user-features.js
index 7cbef16dd7..eb511fc298 100644
--- a/services/web/modules/server-ce-scripts/scripts/upgrade-user-features.mjs
+++ b/services/web/modules/server-ce-scripts/scripts/upgrade-user-features.js
@@ -1,11 +1,10 @@
-import { fileURLToPath } from 'node:url'
-import Settings from '@overleaf/settings'
-import logger from '@overleaf/logger'
-import { db, waitForDb } from '../../../app/src/infrastructure/mongodb.js'
-import {
+const Settings = require('@overleaf/settings')
+const logger = require('@overleaf/logger')
+const { db, waitForDb } = require('../../../app/src/infrastructure/mongodb')
+const {
   mergeFeatures,
   compareFeatures,
-} from '../../../app/src/Features/Subscription/FeaturesHelper.js'
+} = require('../../../app/src/Features/Subscription/FeaturesHelper')
 const DRY_RUN = !process.argv.includes('--dry-run=false')
 
 async function main(DRY_RUN, defaultFeatures) {
@@ -41,9 +40,9 @@ async function main(DRY_RUN, defaultFeatures) {
   }
 }
 
-export default main
+module.exports = main
 
-if (fileURLToPath(import.meta.url) === process.argv[1]) {
+if (require.main === module) {
   if (DRY_RUN) {
     console.error('---')
     console.error('Dry-run enabled, use --dry-run=false to commit changes')
diff --git a/services/web/modules/server-ce-scripts/test/acceptance/src/ServerCEScriptsTests.mjs b/services/web/modules/server-ce-scripts/test/acceptance/src/ServerCEScriptsTests.js
similarity index 91%
rename from services/web/modules/server-ce-scripts/test/acceptance/src/ServerCEScriptsTests.mjs
rename to services/web/modules/server-ce-scripts/test/acceptance/src/ServerCEScriptsTests.js
index 0069a46105..0c304e14f1 100644
--- a/services/web/modules/server-ce-scripts/test/acceptance/src/ServerCEScriptsTests.mjs
+++ b/services/web/modules/server-ce-scripts/test/acceptance/src/ServerCEScriptsTests.js
@@ -1,11 +1,9 @@
-import { execSync } from 'node:child_process'
-import fs from 'node:fs'
-import Settings from '@overleaf/settings'
-import { expect } from 'chai'
-import { db } from '../../../../../app/src/infrastructure/mongodb.js'
-import UserHelper from '../../../../../test/acceptance/src/helpers/User.js'
-
-const { promises: User } = UserHelper
+const { execSync } = require('child_process')
+const fs = require('fs')
+const Settings = require('@overleaf/settings')
+const { expect } = require('chai')
+const { db } = require('../../../../../app/src/infrastructure/mongodb')
+const User = require('../../../../../test/acceptance/src/helpers/User').promises
 
 /**
  * @param {string} cmd
@@ -44,7 +42,7 @@ async function getUser(email) {
 describe('ServerCEScripts', function () {
   describe('check-mongodb', function () {
     it('should exit with code 0 on success', function () {
-      run('node modules/server-ce-scripts/scripts/check-mongodb.mjs')
+      run('node modules/server-ce-scripts/scripts/check-mongodb')
     })
 
     it('should exit with code 1 on error', function () {
@@ -52,7 +50,7 @@ describe('ServerCEScripts', function () {
         run(
           'MONGO_SERVER_SELECTION_TIMEOUT=1' +
             'MONGO_CONNECTION_STRING=mongodb://127.0.0.1:4242 ' +
-            'node modules/server-ce-scripts/scripts/check-mongodb.mjs'
+            'node modules/server-ce-scripts/scripts/check-mongodb'
         )
       } catch (e) {
         expect(e.status).to.equal(1)
@@ -64,14 +62,12 @@ describe('ServerCEScripts', function () {
 
   describe('check-redis', function () {
     it('should exit with code 0 on success', function () {
-      run('node modules/server-ce-scripts/scripts/check-redis.mjs')
+      run('node modules/server-ce-scripts/scripts/check-redis')
     })
 
     it('should exit with code 1 on error', function () {
       try {
-        run(
-          'REDIS_PORT=42 node modules/server-ce-scripts/scripts/check-redis.mjs'
-        )
+        run('REDIS_PORT=42 node modules/server-ce-scripts/scripts/check-redis')
       } catch (e) {
         expect(e.status).to.equal(1)
         return
@@ -83,28 +79,28 @@ describe('ServerCEScripts', function () {
   describe('create-user', function () {
     it('should exit with code 0 on success', function () {
       const out = run(
-        'node modules/server-ce-scripts/scripts/create-user.mjs --email=foo@bar.com'
+        'node modules/server-ce-scripts/scripts/create-user --email=foo@bar.com'
       )
       expect(out).to.include('/user/activate?token=')
     })
 
     it('should create a regular user by default', async function () {
       run(
-        'node modules/server-ce-scripts/scripts/create-user.mjs --email=foo@bar.com'
+        'node modules/server-ce-scripts/scripts/create-user --email=foo@bar.com'
       )
       expect(await getUser('foo@bar.com')).to.deep.equal({ isAdmin: false })
     })
 
     it('should create an admin user with --admin flag', async function () {
       run(
-        'node modules/server-ce-scripts/scripts/create-user.mjs --admin --email=foo@bar.com'
+        'node modules/server-ce-scripts/scripts/create-user --admin --email=foo@bar.com'
       )
       expect(await getUser('foo@bar.com')).to.deep.equal({ isAdmin: true })
     })
 
     it('should exit with code 1 on missing email', function () {
       try {
-        run('node modules/server-ce-scripts/scripts/create-user.mjs')
+        run('node modules/server-ce-scripts/scripts/create-user')
       } catch (e) {
         expect(e.status).to.equal(1)
         return
@@ -123,26 +119,19 @@ describe('ServerCEScripts', function () {
     it('should log missing user', function () {
       const email = 'does-not-exist@example.com'
       const out = run(
-        'node modules/server-ce-scripts/scripts/delete-user.mjs --email=' +
-          email
+        'node modules/server-ce-scripts/scripts/delete-user --email=' + email
       )
       expect(out).to.include('not in database, potentially already deleted')
     })
 
     it('should exit with code 0 on success', function () {
       const email = user.email
-      run(
-        'node modules/server-ce-scripts/scripts/delete-user.mjs --email=' +
-          email
-      )
+      run('node modules/server-ce-scripts/scripts/delete-user --email=' + email)
     })
 
     it('should have deleted the user on success', async function () {
       const email = user.email
-      run(
-        'node modules/server-ce-scripts/scripts/delete-user.mjs --email=' +
-          email
-      )
+      run('node modules/server-ce-scripts/scripts/delete-user --email=' + email)
       const dbEntry = await user.get()
       expect(dbEntry).to.not.exist
       const softDeletedEntry = await db.deletedUsers.findOne({
@@ -154,7 +143,7 @@ describe('ServerCEScripts', function () {
 
     it('should exit with code 1 on missing email', function () {
       try {
-        run('node modules/server-ce-scripts/scripts/delete-user.mjs')
+        run('node modules/server-ce-scripts/scripts/delete-user')
       } catch (e) {
         expect(e.status).to.equal(1)
         return
@@ -210,7 +199,7 @@ describe('ServerCEScripts', function () {
 
     it('should do a dry run by default', async function () {
       run(
-        `node modules/server-ce-scripts/scripts/migrate-user-emails.mjs ${csv}`
+        `node modules/server-ce-scripts/scripts/migrate-user-emails.js ${csv}`
       )
       for (const user of usersToMigrate) {
         const dbEntry = await user.get()
@@ -224,13 +213,13 @@ describe('ServerCEScripts', function () {
 
     it('should exit with code 0 when successfully migrating user emails', function () {
       run(
-        `node modules/server-ce-scripts/scripts/migrate-user-emails.mjs --commit ${csv}`
+        `node modules/server-ce-scripts/scripts/migrate-user-emails.js --commit ${csv}`
       )
     })
 
     it('should migrate the user emails with the --commit option', async function () {
       run(
-        `node modules/server-ce-scripts/scripts/migrate-user-emails.mjs --commit ${csv}`
+        `node modules/server-ce-scripts/scripts/migrate-user-emails.js --commit ${csv}`
       )
       for (const user of usersToMigrate) {
         const dbEntry = await user.get()
@@ -244,7 +233,7 @@ describe('ServerCEScripts', function () {
 
     it('should leave other user emails unchanged', async function () {
       run(
-        `node modules/server-ce-scripts/scripts/migrate-user-emails.mjs --commit ${csv}`
+        `node modules/server-ce-scripts/scripts/migrate-user-emails.js --commit ${csv}`
       )
       for (const user of otherUsers) {
         const dbEntry = await user.get()
@@ -255,7 +244,7 @@ describe('ServerCEScripts', function () {
     it('should exit with code 1 when there are failures migrating user emails', function () {
       try {
         run(
-          `node modules/server-ce-scripts/scripts/migrate-user-emails.mjs --commit ${csvfail}`
+          `node modules/server-ce-scripts/scripts/migrate-user-emails.js --commit ${csvfail}`
         )
       } catch (e) {
         expect(e.status).to.equal(1)
@@ -267,12 +256,12 @@ describe('ServerCEScripts', function () {
     it('should migrate other users when there are failures with the --continue option', async function () {
       try {
         run(
-          `node modules/server-ce-scripts/scripts/migrate-user-emails.mjs --commit ${csvfail}`
+          `node modules/server-ce-scripts/scripts/migrate-user-emails.js --commit ${csvfail}`
         )
       } catch (e) {
         expect(e.status).to.equal(1)
         run(
-          `node modules/server-ce-scripts/scripts/migrate-user-emails.mjs --commit --continue ${csvfail}`
+          `node modules/server-ce-scripts/scripts/migrate-user-emails.js --commit --continue ${csvfail}`
         )
         for (const user of usersToMigrate) {
           const dbEntry = await user.get()
@@ -312,7 +301,7 @@ describe('ServerCEScripts', function () {
       expect(await getTagNames()).to.deep.equal([oldName])
 
       run(
-        `node modules/server-ce-scripts/scripts/rename-tag.mjs --user-id=${user.id} --old-name=${oldName} --new-name=${newName}`
+        `node modules/server-ce-scripts/scripts/rename-tag --user-id=${user.id} --old-name=${oldName} --new-name=${newName}`
       )
 
       expect(await getTagNames()).to.deep.equal([newName])
@@ -345,7 +334,7 @@ describe('ServerCEScripts', function () {
       beforeEach('run script on user a', function () {
         newUserATimeout = userATimeout - 1
         run(
-          `node modules/server-ce-scripts/scripts/change-compile-timeout.mjs --user-id=${userA.id} --compile-timeout=${newUserATimeout}`
+          `node modules/server-ce-scripts/scripts/change-compile-timeout --user-id=${userA.id} --compile-timeout=${newUserATimeout}`
         )
       })
 
@@ -364,7 +353,7 @@ describe('ServerCEScripts', function () {
       it('should reject zero timeout', async function () {
         try {
           run(
-            `node modules/server-ce-scripts/scripts/change-compile-timeout.mjs --user-id=${userA.id} --compile-timeout=0`
+            `node modules/server-ce-scripts/scripts/change-compile-timeout --user-id=${userA.id} --compile-timeout=0`
           )
           expect.fail('should error out')
         } catch (err) {
@@ -377,7 +366,7 @@ describe('ServerCEScripts', function () {
       it('should reject a 20min timeout', async function () {
         try {
           run(
-            `node modules/server-ce-scripts/scripts/change-compile-timeout.mjs --user-id=${userA.id} --compile-timeout=1200`
+            `node modules/server-ce-scripts/scripts/change-compile-timeout --user-id=${userA.id} --compile-timeout=1200`
           )
           expect.fail('should error out')
         } catch (err) {
@@ -421,13 +410,13 @@ describe('ServerCEScripts', function () {
 
     beforeEach('downgrade userCustomTimeoutLower', async function () {
       run(
-        `node modules/server-ce-scripts/scripts/change-compile-timeout.mjs --user-id=${userCustomTimeoutLower.id} --compile-timeout=42`
+        `node modules/server-ce-scripts/scripts/change-compile-timeout --user-id=${userCustomTimeoutLower.id} --compile-timeout=42`
       )
     })
 
     beforeEach('upgrade userCustomTimeoutHigher', async function () {
       run(
-        `node modules/server-ce-scripts/scripts/change-compile-timeout.mjs --user-id=${userCustomTimeoutHigher.id} --compile-timeout=360`
+        `node modules/server-ce-scripts/scripts/change-compile-timeout --user-id=${userCustomTimeoutHigher.id} --compile-timeout=360`
       )
     })
 
@@ -462,7 +451,7 @@ describe('ServerCEScripts', function () {
       let output
       beforeEach('run script', function () {
         output = run(
-          `node modules/server-ce-scripts/scripts/upgrade-user-features.mjs`
+          `node modules/server-ce-scripts/scripts/upgrade-user-features`
         )
       })
 
@@ -491,7 +480,7 @@ describe('ServerCEScripts', function () {
       let output
       beforeEach('run script', function () {
         output = run(
-          `node modules/server-ce-scripts/scripts/upgrade-user-features.mjs --dry-run=false`
+          `node modules/server-ce-scripts/scripts/upgrade-user-features --dry-run=false`
         )
       })
 
@@ -548,7 +537,7 @@ describe('ServerCEScripts', function () {
         cmd += ` OVERLEAF_IS_SERVER_PRO=${OVERLEAF_IS_SERVER_PRO}`
       }
       return (
-        cmd + ' node modules/server-ce-scripts/scripts/check-texlive-images.mjs'
+        cmd + ' node modules/server-ce-scripts/scripts/check-texlive-images'
       )
     }