CVE-2021-32668: TYPO3

Medium severity, CVSS 4.8. EPSS: 0.6% chance of exploitation in the next 30 days.

TYPO3 is an open source PHP based web content management system. Versions 9.0.0 through 9.5.28, 10.0.0 through 10.4.17, and 11.0.0 through 11.3.0 have a cross-site scripting vulnerability. When error messages are not properly encoded, the components _QueryGenerator_ and _QueryView_ are vulnerable to both reflected and persistent cross-site scripting. A valid backend user account having administrator privileges is needed to exploit this vulnerability. TYPO3 versions 9.5.29, 10.4.18, 11.3.1 contain a patch for this issue.

Affected products

• TYPO3 TYPO3: from 8.0.0, up to and including 8.7.40; from 9.0.0, up to and including 9.5.28; from 10.0.0, up to and including 10.4.17; from 11.0.0, up to and including 11.3.0

Published 2021-07-20. Last modified 2026-06-17.