Vulnerability Description
Namespace attributes are not encoded correctly during HTML serialization. This allows bypassing the cross-site scripting prevention mechanism of typo3/html-sanitizer before version 2.3.2.
Related Weaknesses (CWE)
References
- https://github.com/TYPO3/html-sanitizer/commit/8b5d0be44ded457ca993ec9ca93d85994
- https://typo3.org/security/advisory/typo3-core-sa-2026-006
FAQ
What is CVE-2026-47345?
CVE-2026-47345 is a documented vulnerability. Namespace attributes are not encoded correctly during HTML serialization. This allows bypassing the cross-site scripting prevention mechanism of typo3/html-sanitizer before version 2.3.2.
How severe is CVE-2026-47345?
CVSS scoring is not yet available for CVE-2026-47345. Check NVD for updates.
Is there a patch for CVE-2026-47345?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.