Servers and applications
CVE-2026-114128
XSS via unescaped dynamic content in JSX and MDX script or style elements
- Severity
- Medium 6.5
- Published
- 12 Oct 2026
- Last changed
- 23 Oct 2026
- Added to UpHeron
- 3 Nov 2026
- Fixed in
- 7.3.2
- Also known as
- GHSA-98hj-9722-w3j8
- Sources
- CVE Program, Project advisories (GitHub)
Description
Astro: Reflected/Stored XSS via unescaped <script>/<style> tag content in JSX/MDX rendering
Affected software
| Software | Affected versions |
|---|---|
AstroServers and applications · cna:withastro|astro |
|
AstroServers and applications · github:withastro/astro |
|
References
- CVE.org https://www.cve.org/CVERecord?id=CVE-2026-114128
- GitHub Advisory Database https://github.com/advisories/GHSA-98hj-9722-w3j8
- github.com https://github.com/withastro/astro/security/advisories/GHSA-98hj-9722-w3j8