🔒 fix: resolve potential XSS via innerHTML in translation rendering#21
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Co-authored-by: Sistema2D <23338013+Sistema2D@users.noreply.github.com>
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Co-authored-by: Sistema2D <23338013+Sistema2D@users.noreply.github.com>
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Pull request overview
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Mitigates a potential XSS vector in the docs translation rendering by avoiding HTML interpretation, and adds accompanying governance artifacts (plan, changelog fragment, session synthesis).
Changes:
- Replaced
innerHTMLwithtextContentfor non-SVG translation rendering indocs/index.html. - Added a completed security plan and an unreleased changelog fragment documenting the fix.
- Added a session synthesis entry capturing context and validation notes.
Reviewed changes
Copilot reviewed 4 out of 4 changed files in this pull request and generated 2 comments.
| File | Description |
|---|---|
| docs/index.html | Prevents XSS by rendering translations as text rather than HTML. |
| FCVW/wiki/sessions/S006-2024-06-01-fix-xss-vulnerability.md | Documents the security fix session and validation details. |
| FCVW/changelogs/unreleased/P1-R2-2024-06-01-fix-xss-vulnerability.md | Adds an unreleased changelog fragment describing the mitigation and impact. |
| FCVW/Plans/completed/P1-R2-2024-06-01-fix-xss-vulnerability.md | Adds a completed plan describing scope, acceptance criteria, and validation. |
| - **Logic:** Rendering of translation now correctly assigns text to the node using `textContent` instead of evaluating HTML using `innerHTML` avoiding XSS payload execution. | ||
| - **Documentation/Governance:** Change correctly documented with a governance plan and changelog. | ||
| - **Visual/UX:** No visual change is expected. Translations are rendered successfully. |
| } else if (el.namespaceURI === "http://www.w3.org/2000/svg") { | ||
| el.textContent = translations[lang][key]; | ||
| } else { | ||
| el.innerHTML = translations[lang][key]; | ||
| el.textContent = translations[lang][key]; | ||
| } |
🎯 What: Fixed a potential Cross-Site Scripting (XSS) vulnerability in
⚠️ Risk: If a translation key or value contained malicious scripts, it could have been executed in the user's browser, leading to session hijacking, data theft, or other malicious actions.
docs/index.htmlwhere translation values were being rendered usinginnerHTML.🛡️ Solution: Replaced
innerHTMLwithtextContentfor rendering translations. This ensures the text is safely inserted as a literal string rather than being parsed as HTML, neutralizing the XSS attack vector.PR created automatically by Jules for task 15113020396458199122 started by @Sistema2D