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CVE-2026-47345GHSA-P5J5-4J3Q-8MQ8

TYPO3 HTML Sanitizer allows Cross-Site Scripting

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 2.3.2
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • typo3/html-sanitizer

    fixed in 2.3.2

  • typo3/html-sanitizerPackagist

    fixed in 2.3.2

References 2

typo3.org

GitHub · TYPO3/html-sanitizer