diff --git a/packages/server/src/jsRunner/tests/jsRunner.spec.ts b/packages/server/src/jsRunner/tests/jsRunner.spec.ts
index cddab3c9b4..04b323cf80 100644
--- a/packages/server/src/jsRunner/tests/jsRunner.spec.ts
+++ b/packages/server/src/jsRunner/tests/jsRunner.spec.ts
@@ -47,6 +47,13 @@ describe("jsRunner", () => {
     expect(output).toBe(3)
   })
 
+  it("should prevent sandbox escape", async () => {
+    const output = await processJS(
+      `return this.constructor.constructor("return process")()`
+    )
+    expect(output).toBe("Error while executing JS")
+  })
+
   describe("helpers", () => {
     runJsHelpersTests({
       funcWrap: (func: any) => config.doInContext(config.getAppId(), func),
diff --git a/packages/string-templates/package.json b/packages/string-templates/package.json
index a6179234de..ceafd5364f 100644
--- a/packages/string-templates/package.json
+++ b/packages/string-templates/package.json
@@ -2,13 +2,13 @@
   "name": "@budibase/string-templates",
   "version": "0.0.0",
   "description": "Handlebars wrapper for Budibase templating.",
-  "main": "src/index.cjs",
+  "main": "src/index.js",
   "module": "dist/bundle.mjs",
   "license": "MPL-2.0",
   "types": "dist/index.d.ts",
   "exports": {
     ".": {
-      "require": "./src/index.cjs",
+      "require": "./src/index.js",
       "import": "./dist/bundle.mjs"
     },
     "./package.json": "./package.json",
@@ -29,8 +29,7 @@
     "@budibase/handlebars-helpers": "^0.13.1",
     "dayjs": "^1.10.8",
     "handlebars": "^4.7.6",
-    "lodash.clonedeep": "^4.5.0",
-    "vm2": "^3.9.19"
+    "lodash.clonedeep": "^4.5.0"
   },
   "devDependencies": {
     "@rollup/plugin-commonjs": "^17.1.0",
diff --git a/packages/string-templates/src/helpers/javascript.js b/packages/string-templates/src/helpers/javascript.js
index 61a9ed21f1..99d7df10f7 100644
--- a/packages/string-templates/src/helpers/javascript.js
+++ b/packages/string-templates/src/helpers/javascript.js
@@ -4,7 +4,7 @@ const { LITERAL_MARKER } = require("../helpers/constants")
 const { getJsHelperList } = require("./list")
 
 // The method of executing JS scripts depends on the bundle being built.
-// This setter is used in the entrypoint (either index.cjs or index.mjs).
+// This setter is used in the entrypoint (either index.js or index.mjs).
 let runJS
 module.exports.setJSRunner = runner => (runJS = runner)
 
diff --git a/packages/string-templates/src/index.cjs b/packages/string-templates/src/index.cjs
deleted file mode 100644
index 68fdfe864e..0000000000
--- a/packages/string-templates/src/index.cjs
+++ /dev/null
@@ -1,43 +0,0 @@
-const templates = require("./index.js")
-
-/**
- * CJS entrypoint for rollup
- */
-module.exports.isValid = templates.isValid
-module.exports.makePropSafe = templates.makePropSafe
-module.exports.getManifest = templates.getManifest
-module.exports.isJSBinding = templates.isJSBinding
-module.exports.encodeJSBinding = templates.encodeJSBinding
-module.exports.decodeJSBinding = templates.decodeJSBinding
-module.exports.processStringSync = templates.processStringSync
-module.exports.processObjectSync = templates.processObjectSync
-module.exports.processString = templates.processString
-module.exports.processObject = templates.processObject
-module.exports.doesContainStrings = templates.doesContainStrings
-module.exports.doesContainString = templates.doesContainString
-module.exports.disableEscaping = templates.disableEscaping
-module.exports.findHBSBlocks = templates.findHBSBlocks
-module.exports.convertToJS = templates.convertToJS
-module.exports.setJSRunner = templates.setJSRunner
-module.exports.FIND_ANY_HBS_REGEX = templates.FIND_ANY_HBS_REGEX
-module.exports.helpersToRemoveForJs = templates.helpersToRemoveForJs
-
-if (!process.env.NO_JS) {
-  const { VM } = require("vm2")
-  const { setJSRunner } = require("./helpers/javascript")
-  /**
-   * Use vm2 to run JS scripts in a node env
-   */
-  setJSRunner((js, context) => {
-    const vm = new VM({
-      sandbox: context,
-      timeout: 1000,
-    })
-    return vm.run(js)
-  })
-}
-
-const errors = require("./errors")
-for (const error in errors) {
-  module.exports[error] = errors[error]
-}
diff --git a/packages/string-templates/test/basic.spec.js b/packages/string-templates/test/basic.spec.js
index a5054bf489..0b78e3cafd 100644
--- a/packages/string-templates/test/basic.spec.js
+++ b/packages/string-templates/test/basic.spec.js
@@ -8,7 +8,7 @@ const {
   doesContainString,
   disableEscaping,
   findHBSBlocks,
-} = require("../src/index.cjs")
+} = require("../src/index.js")
 
 describe("Test that the string processing works correctly", () => {
   it("should process a basic template string", async () => {
diff --git a/packages/string-templates/test/escapes.spec.js b/packages/string-templates/test/escapes.spec.js
index d27ca64240..caa2f7d0c1 100644
--- a/packages/string-templates/test/escapes.spec.js
+++ b/packages/string-templates/test/escapes.spec.js
@@ -1,4 +1,4 @@
-const { processString } = require("../src/index.cjs")
+const { processString } = require("../src/index.js")
 
 describe("Handling context properties with spaces in their name", () => {
   it("should allow through literal specifiers", async () => {
diff --git a/packages/string-templates/test/hbsToJs.spec.js b/packages/string-templates/test/hbsToJs.spec.js
index 5d5b6c6d0b..08d8ff5f67 100644
--- a/packages/string-templates/test/hbsToJs.spec.js
+++ b/packages/string-templates/test/hbsToJs.spec.js
@@ -1,4 +1,4 @@
-const { convertToJS } = require("../src/index.cjs")
+const { convertToJS } = require("../src/index.js")
 
 function checkLines(response, lines) {
   const toCheck = response.split("\n")
diff --git a/packages/string-templates/test/helpers.spec.js b/packages/string-templates/test/helpers.spec.js
index 49ee0acbda..86fef538d3 100644
--- a/packages/string-templates/test/helpers.spec.js
+++ b/packages/string-templates/test/helpers.spec.js
@@ -1,4 +1,4 @@
-const { processString, processObject, isValid } = require("../src/index.cjs")
+const { processString, processObject, isValid } = require("../src/index.js")
 const tableJson = require("./examples/table.json")
 const dayjs = require("dayjs")
 const { UUID_REGEX } = require("./constants")
diff --git a/packages/string-templates/test/javascript.spec.js b/packages/string-templates/test/javascript.spec.js
index d8b42678a7..0e9f196da6 100644
--- a/packages/string-templates/test/javascript.spec.js
+++ b/packages/string-templates/test/javascript.spec.js
@@ -1,149 +1,156 @@
-const { processStringSync, encodeJSBinding } = require("../src/index.cjs")
+const vm = require("vm")
+
+const {
+  processStringSync,
+  encodeJSBinding,
+  setJSRunner,
+} = require("../src/index.js")
 const { UUID_REGEX } = require("./constants")
 
 const processJS = (js, context) => {
   return processStringSync(encodeJSBinding(js), context)
 }
 
-describe("Test the JavaScript helper", () => {
-  it("should execute a simple expression", () => {
-    const output = processJS(`return 1 + 2`)
-    expect(output).toBe(3)
-  })
-
-  it("should be able to use primitive bindings", () => {
-    const output = processJS(`return $("foo")`, {
-      foo: "bar",
+describe("Javascript", () => {
+  beforeAll(() => {
+    setJSRunner((js, context) => {
+      return vm.runInNewContext(js, context, { timeout: 1000 })
     })
-    expect(output).toBe("bar")
   })
 
-  it("should be able to use an object binding", () => {
-    const output = processJS(`return $("foo").bar`, {
-      foo: {
-        bar: "baz",
-      },
+  describe("Test the JavaScript helper", () => {
+    it("should execute a simple expression", () => {
+      const output = processJS(`return 1 + 2`)
+      expect(output).toBe(3)
     })
-    expect(output).toBe("baz")
-  })
 
-  it("should be able to use a complex object binding", () => {
-    const output = processJS(`return $("foo").bar[0].baz`, {
-      foo: {
-        bar: [
-          {
-            baz: "shazbat",
-          },
-        ],
-      },
+    it("should be able to use primitive bindings", () => {
+      const output = processJS(`return $("foo")`, {
+        foo: "bar",
+      })
+      expect(output).toBe("bar")
     })
-    expect(output).toBe("shazbat")
-  })
 
-  it("should be able to use a deep binding", () => {
-    const output = processJS(`return $("foo.bar.baz")`, {
-      foo: {
-        bar: {
-          baz: "shazbat",
-        },
-      },
-    })
-    expect(output).toBe("shazbat")
-  })
-
-  it("should be able to return an object", () => {
-    const output = processJS(`return $("foo")`, {
-      foo: {
-        bar: {
-          baz: "shazbat",
-        },
-      },
-    })
-    expect(output.bar.baz).toBe("shazbat")
-  })
-
-  it("should be able to return an array", () => {
-    const output = processJS(`return $("foo")`, {
-      foo: ["a", "b", "c"],
-    })
-    expect(output[2]).toBe("c")
-  })
-
-  it("should be able to return null", () => {
-    const output = processJS(`return $("foo")`, {
-      foo: null,
-    })
-    expect(output).toBe(null)
-  })
-
-  it("should be able to return undefined", () => {
-    const output = processJS(`return $("foo")`, {
-      foo: undefined,
-    })
-    expect(output).toBe(undefined)
-  })
-
-  it("should be able to return 0", () => {
-    const output = processJS(`return $("foo")`, {
-      foo: 0,
-    })
-    expect(output).toBe(0)
-  })
-
-  it("should be able to return an empty string", () => {
-    const output = processJS(`return $("foo")`, {
-      foo: "",
-    })
-    expect(output).toBe("")
-  })
-
-  it("should be able to use a deep array binding", () => {
-    const output = processJS(`return $("foo.0.bar")`, {
-      foo: [
-        {
+    it("should be able to use an object binding", () => {
+      const output = processJS(`return $("foo").bar`, {
+        foo: {
           bar: "baz",
         },
-      ],
+      })
+      expect(output).toBe("baz")
+    })
+
+    it("should be able to use a complex object binding", () => {
+      const output = processJS(`return $("foo").bar[0].baz`, {
+        foo: {
+          bar: [
+            {
+              baz: "shazbat",
+            },
+          ],
+        },
+      })
+      expect(output).toBe("shazbat")
+    })
+
+    it("should be able to use a deep binding", () => {
+      const output = processJS(`return $("foo.bar.baz")`, {
+        foo: {
+          bar: {
+            baz: "shazbat",
+          },
+        },
+      })
+      expect(output).toBe("shazbat")
+    })
+
+    it("should be able to return an object", () => {
+      const output = processJS(`return $("foo")`, {
+        foo: {
+          bar: {
+            baz: "shazbat",
+          },
+        },
+      })
+      expect(output.bar.baz).toBe("shazbat")
+    })
+
+    it("should be able to return an array", () => {
+      const output = processJS(`return $("foo")`, {
+        foo: ["a", "b", "c"],
+      })
+      expect(output[2]).toBe("c")
+    })
+
+    it("should be able to return null", () => {
+      const output = processJS(`return $("foo")`, {
+        foo: null,
+      })
+      expect(output).toBe(null)
+    })
+
+    it("should be able to return undefined", () => {
+      const output = processJS(`return $("foo")`, {
+        foo: undefined,
+      })
+      expect(output).toBe(undefined)
+    })
+
+    it("should be able to return 0", () => {
+      const output = processJS(`return $("foo")`, {
+        foo: 0,
+      })
+      expect(output).toBe(0)
+    })
+
+    it("should be able to return an empty string", () => {
+      const output = processJS(`return $("foo")`, {
+        foo: "",
+      })
+      expect(output).toBe("")
+    })
+
+    it("should be able to use a deep array binding", () => {
+      const output = processJS(`return $("foo.0.bar")`, {
+        foo: [
+          {
+            bar: "baz",
+          },
+        ],
+      })
+      expect(output).toBe("baz")
+    })
+
+    it("should handle errors", () => {
+      const output = processJS(`throw "Error"`)
+      expect(output).toBe("Error while executing JS")
+    })
+
+    it("should timeout after one second", () => {
+      const output = processJS(`while (true) {}`)
+      expect(output).toBe("Timed out while executing JS")
+    })
+
+    it("should prevent access to the process global", () => {
+      const output = processJS(`return process`)
+      expect(output).toBe("Error while executing JS")
     })
-    expect(output).toBe("baz")
   })
 
-  it("should handle errors", () => {
-    const output = processJS(`throw "Error"`)
-    expect(output).toBe("Error while executing JS")
-  })
+  describe("check JS helpers", () => {
+    it("should error if using the format helper. not helpers.", () => {
+      const output = processJS(`return helper.toInt(4.3)`)
+      expect(output).toBe("Error while executing JS")
+    })
 
-  it("should timeout after one second", () => {
-    const output = processJS(`while (true) {}`)
-    expect(output).toBe("Timed out while executing JS")
-  })
+    it("should be able to use toInt", () => {
+      const output = processJS(`return helpers.toInt(4.3)`)
+      expect(output).toBe(4)
+    })
 
-  it("should prevent access to the process global", () => {
-    const output = processJS(`return process`)
-    expect(output).toBe("Error while executing JS")
-  })
-
-  it("should prevent sandbox escape", () => {
-    const output = processJS(
-      `return this.constructor.constructor("return process")()`
-    )
-    expect(output).toBe("Error while executing JS")
-  })
-})
-
-describe("check JS helpers", () => {
-  it("should error if using the format helper. not helpers.", () => {
-    const output = processJS(`return helper.toInt(4.3)`)
-    expect(output).toBe("Error while executing JS")
-  })
-
-  it("should be able to use toInt", () => {
-    const output = processJS(`return helpers.toInt(4.3)`)
-    expect(output).toBe(4)
-  })
-
-  it("should be able to use uuid", () => {
-    const output = processJS(`return helpers.uuid()`)
-    expect(output).toMatch(UUID_REGEX)
+    it("should be able to use uuid", () => {
+      const output = processJS(`return helpers.uuid()`)
+      expect(output).toMatch(UUID_REGEX)
+    })
   })
 })
diff --git a/packages/string-templates/test/manifest.spec.js b/packages/string-templates/test/manifest.spec.js
index fa8683960a..81183f13c9 100644
--- a/packages/string-templates/test/manifest.spec.js
+++ b/packages/string-templates/test/manifest.spec.js
@@ -1,3 +1,5 @@
+const vm = require("vm")
+
 jest.mock("@budibase/handlebars-helpers/lib/math", () => {
   const actual = jest.requireActual("@budibase/handlebars-helpers/lib/math")
 
@@ -15,7 +17,7 @@ jest.mock("@budibase/handlebars-helpers/lib/uuid", () => {
   }
 })
 
-const { processString } = require("../src/index.cjs")
+const { processString, setJSRunner } = require("../src/index.js")
 
 const tk = require("timekeeper")
 const { getParsedManifest, runJsHelpersTests } = require("./utils")
@@ -29,6 +31,12 @@ function escapeRegExp(string) {
 describe("manifest", () => {
   const manifest = getParsedManifest()
 
+  beforeAll(() => {
+    setJSRunner((js, context) => {
+      return vm.runInNewContext(js, context, { timeout: 1000 })
+    })
+  })
+
   describe("examples are valid", () => {
     describe.each(Object.keys(manifest))("%s", collection => {
       it.each(manifest[collection])("%s", async (_, { hbs, js }) => {
diff --git a/packages/string-templates/test/renderApp.spec.js b/packages/string-templates/test/renderApp.spec.js
index 13d478980d..582e70701f 100644
--- a/packages/string-templates/test/renderApp.spec.js
+++ b/packages/string-templates/test/renderApp.spec.js
@@ -1,4 +1,4 @@
-const { processString } = require("../src/index.cjs")
+const { processString } = require("../src/index.js")
 
 describe("specific test case for whether or not full app template can still be rendered", () => {
   it("should be able to render the app template", async () => {
diff --git a/packages/string-templates/test/utils.js b/packages/string-templates/test/utils.js
index 3a54502a3d..927a6e3aeb 100644
--- a/packages/string-templates/test/utils.js
+++ b/packages/string-templates/test/utils.js
@@ -5,7 +5,7 @@ const {
   convertToJS,
   processStringSync,
   encodeJSBinding,
-} = require("../src/index.cjs")
+} = require("../src/index.js")
 
 function tryParseJson(str) {
   if (typeof str !== "string") {
diff --git a/yarn.lock b/yarn.lock
index 33ee0f97bb..82d7b27359 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6403,7 +6403,7 @@ acorn@^7.1.1:
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-7.4.1.tgz#feaed255973d2e77555b83dbc08851a6c63520fa"
   integrity sha512-nQyp0o1/mNdbTO1PO6kHkwSrmgZ0MT/jCCpNiwbUjGoRN4dlBhqJtoQuCnEOKzgTVwg0ZWiCoQy6SxMebQVh8A==
 
-acorn@^8.1.0, acorn@^8.10.0, acorn@^8.2.4, acorn@^8.4.1, acorn@^8.5.0, acorn@^8.7.0, acorn@^8.7.1, acorn@^8.8.1, acorn@^8.8.2, acorn@^8.9.0:
+acorn@^8.1.0, acorn@^8.10.0, acorn@^8.2.4, acorn@^8.4.1, acorn@^8.5.0, acorn@^8.7.1, acorn@^8.8.1, acorn@^8.8.2, acorn@^8.9.0:
   version "8.11.3"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.11.3.tgz#71e0b14e13a4ec160724b38fb7b0f233b1b81d7a"
   integrity sha512-Y9rRfJG5jcKOE0CLisYbojUjIrIEE7AGMzA/Sm4BslANhbS+cDMpgBdcPT91oJ7OuJ9hYJBx59RjbhxVnrF8Xg==
@@ -21270,14 +21270,6 @@ vlq@^0.2.2:
   resolved "https://registry.yarnpkg.com/vlq/-/vlq-0.2.3.tgz#8f3e4328cf63b1540c0d67e1b2778386f8975b26"
   integrity sha512-DRibZL6DsNhIgYQ+wNdWDL2SL3bKPlVrRiBqV5yuMm++op8W4kGFtaQfCs4KEJn0wBZcHVHJ3eoywX8983k1ow==
 
-vm2@^3.9.19:
-  version "3.9.19"
-  resolved "https://registry.yarnpkg.com/vm2/-/vm2-3.9.19.tgz#be1e1d7a106122c6c492b4d51c2e8b93d3ed6a4a"
-  integrity sha512-J637XF0DHDMV57R6JyVsTak7nIL8gy5KH4r1HiwWLf/4GBbb5MKL5y7LpmF4A8E2nR6XmzpmMFQ7V7ppPTmUQg==
-  dependencies:
-    acorn "^8.7.0"
-    acorn-walk "^8.2.0"
-
 vuvuzela@1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/vuvuzela/-/vuvuzela-1.0.3.tgz#3be145e58271c73ca55279dd851f12a682114b0b"