diff --git a/package.json b/package.json
index 58af87c845..72466175cb 100644
--- a/package.json
+++ b/package.json
@@ -53,6 +53,7 @@
     }
   },
   "dependencies": {
+    "dompurify": "^3.1.7",
     "html-react-parser": "^5.1.17",
     "react-quill": "^2.0.0"
   }
diff --git a/services/common/src/components/forms/RenderRichTextEditor.tsx b/services/common/src/components/forms/RenderRichTextEditor.tsx
index 328f3bd6a4..24e11ef82c 100644
--- a/services/common/src/components/forms/RenderRichTextEditor.tsx
+++ b/services/common/src/components/forms/RenderRichTextEditor.tsx
@@ -5,6 +5,7 @@ import { FormContext } from "./FormWrapper";
 import ReactQuill from "react-quill";
 import "react-quill/dist/quill.snow.css";
 import parse from "html-react-parser";
+import DOMPurify from "dompurify";
 
 const RenderRichTextEditor: FC<BaseInputProps> = ({
   label,
@@ -50,7 +51,7 @@ const RenderRichTextEditor: FC<BaseInputProps> = ({
   };
 
   if (!isEditMode) {
-    return <BaseViewInput value={parse(input.value)} label={label} />;
+    return <BaseViewInput value={parse(DOMPurify.sanitize(input.value))} label={label} />;
   }
 
   return (
diff --git a/services/common/src/components/help/HelpGuide.spec.tsx b/services/common/src/components/help/HelpGuide-core.spec.tsx
similarity index 91%
rename from services/common/src/components/help/HelpGuide.spec.tsx
rename to services/common/src/components/help/HelpGuide-core.spec.tsx
index 915a9f5d5d..8d76699633 100644
--- a/services/common/src/components/help/HelpGuide.spec.tsx
+++ b/services/common/src/components/help/HelpGuide-core.spec.tsx
@@ -34,7 +34,7 @@ jest.mock("react-router-dom", () => mockFunction());
 
 describe("HelpGuide", () => {
   it("renders CORE properly", async () => {
-    const helpKey = "Not-exists";
+    const helpKey = "Not-Exists";
 
     const { findByTestId, findByText } = render(
       <ReduxWrapper initialState={coreState}>
@@ -45,6 +45,9 @@ describe("HelpGuide", () => {
     const helpButton = await findByTestId("help-open");
     fireEvent.click(helpButton);
 
+    const defaultContent = await findByText("CORE default content");
+    expect(defaultContent).toBeInTheDocument();
+
     const editButton = await findByText("Edit Help Guide");
     fireEvent.click(editButton);
 
diff --git a/services/common/src/components/help/HelpGuide-ms.spec.tsx b/services/common/src/components/help/HelpGuide-ms.spec.tsx
new file mode 100644
index 0000000000..f228acbedc
--- /dev/null
+++ b/services/common/src/components/help/HelpGuide-ms.spec.tsx
@@ -0,0 +1,52 @@
+import React from "react";
+import { render, fireEvent } from "@testing-library/react";
+import { ReduxWrapper } from "@mds/common/tests/utils/ReduxWrapper";
+import HelpGuide, { HelpGuideContent } from "./HelpGuide";
+import { AUTHENTICATION } from "@mds/common/constants/reducerTypes";
+import { SystemFlagEnum } from "@mds/common/constants";
+import { MS_USER_ACCESS_DATA } from "@mds/common/tests/mocks/dataMocks";
+import { helpReducerType } from "@mds/common/redux/slices/helpSlice";
+import { BrowserRouter } from "react-router-dom";
+
+const msState = {
+  [AUTHENTICATION]: {
+    systemFlag: SystemFlagEnum.ms,
+    userAccessData: MS_USER_ACCESS_DATA,
+    isAuthenticated: true,
+  },
+  [helpReducerType]: {
+    helpGuides: {},
+  },
+};
+
+function mockFunction() {
+  const original = jest.requireActual("react-router-dom");
+  return {
+    ...original,
+    useParams: jest.fn().mockReturnValue({
+      tab: "overview",
+    }),
+  };
+}
+
+jest.mock("react-router-dom", () => mockFunction());
+
+describe("HelpGuide", () => {
+  it("renders MS properly with default content", async () => {
+    const helpKey = "Not-Exists";
+    const { findByTestId } = render(
+      <BrowserRouter>
+        <ReduxWrapper initialState={msState}>
+          <HelpGuide />
+          <HelpGuideContent helpKey={helpKey} />
+        </ReduxWrapper>
+      </BrowserRouter>
+    );
+    const helpButton = await findByTestId("help-open");
+    fireEvent.click(helpButton);
+
+    const helpContent = await findByTestId("help-content");
+
+    expect(helpContent).toMatchSnapshot();
+  });
+});
diff --git a/services/common/src/components/help/HelpGuide.tsx b/services/common/src/components/help/HelpGuide.tsx
index 1d636c3927..26235b21af 100644
--- a/services/common/src/components/help/HelpGuide.tsx
+++ b/services/common/src/components/help/HelpGuide.tsx
@@ -23,6 +23,7 @@ import HelpGuideForm from "./HelpGuideForm";
 import { deleteConfirmWrapper } from "../common/ActionMenu";
 import { formatSnakeCaseToSentenceCase } from "@mds/common/redux/utils/helpers";
 import parse from "html-react-parser";
+import DOMPurify from "dompurify";
 import { useFeatureFlag } from "@mds/common/providers/featureFlags/useFeatureFlag";
 import { Feature } from "@mds/common/utils";
 import Loading from "../common/Loading";
@@ -132,7 +133,7 @@ export const HelpGuideContent: FC<HelpGuideProps> = ({ helpKey }) => {
       pageTab={pageTab}
     />
   ) : (
-    parse(content)
+    parse(DOMPurify.sanitize(content))
   );
 
   return (
diff --git a/services/common/src/components/help/__snapshots__/HelpGuide.spec.tsx.snap b/services/common/src/components/help/__snapshots__/HelpGuide-core.spec.tsx.snap
similarity index 100%
rename from services/common/src/components/help/__snapshots__/HelpGuide.spec.tsx.snap
rename to services/common/src/components/help/__snapshots__/HelpGuide-core.spec.tsx.snap
diff --git a/services/common/src/components/help/__snapshots__/HelpGuide-ms.spec.tsx.snap b/services/common/src/components/help/__snapshots__/HelpGuide-ms.spec.tsx.snap
new file mode 100644
index 0000000000..0ae7b374bc
--- /dev/null
+++ b/services/common/src/components/help/__snapshots__/HelpGuide-ms.spec.tsx.snap
@@ -0,0 +1,18 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`HelpGuide renders MS properly with default content 1`] = `
+<div
+  data-testid="help-content"
+>
+  <h2
+    class="ant-typography"
+    data-testid="help-title"
+  >
+    Overview
+     Help Guide
+  </h2>
+  <p>
+     console.log('should not render as inline function');}&gt;MS default content
+  </p>
+</div>
+`;
diff --git a/services/common/src/tests/handlers.ts b/services/common/src/tests/handlers.ts
index 20680306a0..c64f9dd9d5 100644
--- a/services/common/src/tests/handlers.ts
+++ b/services/common/src/tests/handlers.ts
@@ -33,7 +33,8 @@ const helpHandler = http.get("/%3CAPI_URL%3E/help/:helpKey", async ({ request, p
 
   const guideData = system === SystemFlagEnum.core ? HELP_GUIDE_CORE : HELP_GUIDE_MS;
 
-  return HttpResponse.json(guideData[helpKey as string]);
+  const response = { records: [...guideData[helpKey as string]] };
+  return HttpResponse.json(response);
 });
 
 const commonHandlers = [...geoSpatialHandlers, ...projectHandlers, helpHandler];
diff --git a/services/common/src/tests/mocks/dataMocks.tsx b/services/common/src/tests/mocks/dataMocks.tsx
index a4b04aee12..b822c2eec9 100644
--- a/services/common/src/tests/mocks/dataMocks.tsx
+++ b/services/common/src/tests/mocks/dataMocks.tsx
@@ -1500,6 +1500,12 @@ export const USER_ACCESS_DATA = [
   "role_edit_project_summaries",
 ];
 
+export const MS_USER_ACCESS_DATA = [
+  "mds_minespace_proponents",
+  "c_mds_users",
+  "c_mds_minespace_proponent",
+];
+
 export const DISTURBANCE_OPTIONS = {
   records: [
     {
@@ -8834,7 +8840,8 @@ export const HELP_GUIDE_MS = {
   default: [
     {
       help_guid: "123",
-      content: "<p>MS default content</p>",
+      content:
+        "<script>console.log('hack');</script><p onClick={() => console.log('should not render as inline function');}>MS default content</p>",
       tab: "all_tabs",
       help_key: "default",
       system: SystemFlagEnum.ms,
diff --git a/services/core-api/app/api/help/resources/help_resource.py b/services/core-api/app/api/help/resources/help_resource.py
index b80f6b8d9f..69346979a2 100644
--- a/services/core-api/app/api/help/resources/help_resource.py
+++ b/services/core-api/app/api/help/resources/help_resource.py
@@ -34,7 +34,7 @@ class HelpListResource(Resource, UserMixin):
     @requires_any_of([VIEW_ALL, MINESPACE_PROPONENT])
     def get(self):
         data = self.parser.parse_args()
-        system = data.get("system", None) if not is_minespace_user() else SystemFlag.ms
+        system = data.get("system", None) if not is_minespace_user() else str(SystemFlag.ms)
 
         help_guides = Help.get_all(system)
         return help_guides    
@@ -82,7 +82,7 @@ class HelpResource(Resource, UserMixin):
     @api.marshal_with(HELP_MODEL, code=200, envelope='records', as_list=True)
     def get(self, help_key):
         system = request.args['system']
-        if is_minespace_user() and system != SystemFlag.ms:
+        if is_minespace_user() and system != str(SystemFlag.ms):
             raise BadRequest("Only MineSpace help guides may be requested.")
         help_guides = Help.find_by_help_key(help_key, system)
         return help_guides
diff --git a/yarn.lock b/yarn.lock
index b7d044e2df..fb5f4a4192 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6885,6 +6885,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"dompurify@npm:^3.1.7":
+  version: 3.1.7
+  resolution: "dompurify@npm:3.1.7"
+  checksum: 0a9b811bbc94f3dba60cf6486962362b0f1a5b4ab789f5e1cbd4749b6ba1a1fad190a677a962dc8850ce28764424765fe425e9d6508e4e93ba648ef15d54bc24
+  languageName: node
+  linkType: hard
+
 "domutils@npm:^2.5.2, domutils@npm:^2.8.0":
   version: 2.8.0
   resolution: "domutils@npm:2.8.0"
@@ -12879,6 +12886,7 @@ __metadata:
   dependencies:
     "@typescript-eslint/eslint-plugin": ^5.59.1
     "@typescript-eslint/parser": ^5.59.1
+    dompurify: ^3.1.7
     eslint: 7.27.0
     eslint-config-airbnb: 18.2.1
     eslint-config-airbnb-typescript: ^17.0.0