Medium severityNVD Advisory· Published Jun 8, 2026· Updated Jun 9, 2026
CVE-2026-47345
CVE-2026-47345
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
typo3/html-sanitizerPackagist | < 2.3.2 | 2.3.2 |
Affected products
3(expand)+ 1 more
- (no CPE)
- (no CPE)range: <2.3.2
Patches
Vulnerability mechanics
References
6- github.com/advisories/GHSA-p5j5-4j3q-8mq8ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-47345ghsaADVISORY
- github.com/FriendsOfPHP/security-advisories/blob/master/typo3/html-sanitizer/CVE-2026-47345.yamlghsaWEB
- github.com/TYPO3/html-sanitizer/commit/8b5d0be44ded457ca993ec9ca93d859941c63764nvdWEB
- github.com/TYPO3/html-sanitizer/security/advisories/GHSA-p5j5-4j3q-8mq8ghsaWEB
- typo3.org/security/advisory/typo3-core-sa-2026-006nvdWEB
News mentions
0No linked articles in our index yet.