| Package | Affected versions | Patched versions |
|---|---|---|
| typo3/html-sanitizer | ≥ 1.0.0, < 1.5.3≥ 2.0.0, < 2.1.4 | 1.5.32.1.4 |
| html sanitizer | ≥ 1.0.0, < 1.5.3≥ 2.0.0, < 2.1.4 | 1.5.32.1.4 |
| typo3 | ≥ 10.4.19, < 10.4.41≥ 11.3.2, < 11.5.33≥ 12.0.0, < 12.4.8≥ 8.7.42, < 8.7.55≥ 9.5.29, < 9.5.44 | 10.4.4111.5.3312.4.88.7.559.5.44 |
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)
DOM processing instructions are not handled correctly. This allows bypassing the cross-site scripting mechanism of typo3/html-sanitizer.
Update to typo3/html-sanitizer versions 1.5.3 or 2.1.4 that fix the problem described.
Thanks to Yaniv Nizry and Niels Dossche who reported this issue, and to TYPO3 core & security team member Oliver Hader who fixed the issue.
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