GHSA-mm79-jhqm-9j54MediumCVSS 4.7

Bypassing Cross-Site Scripting Protection in TYPO3 HTML Sanitizer

Published
November 14, 2023
Last Modified
November 15, 2023

🔗 CVE IDs covered (1)

CVE-2023-47125 →

📋 Description

CVSS: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N/E:F/RL:O/RC:C (4.4)

Problem

DOM processing instructions are not handled correctly. This allows bypassing the cross-site scripting mechanism of typo3/html-sanitizer.

Solution

Update to typo3/html-sanitizer versions 1.5.3 or 2.1.4 that fix the problem described.

Credits

Thanks to Yaniv Nizry and Niels Dossche who reported this issue, and to TYPO3 core & security team member Oliver Hader who fixed the issue.

References

🎯 Affected products2

  • composer/typo3/html-sanitizer:>= 1.0.0, <= 1.5.2
  • composer/typo3/html-sanitizer:>= 2.0.0, <= 2.1.3

🔗 References (5)