Vulnerabilities > CVE-2021-21370 - Unspecified vulnerability in Typo3
Attack vector
NETWORK Attack complexity
LOW Privileges required
LOW Confidentiality impact
LOW Integrity impact
LOW Availability impact
NONE Summary
TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1 it has been discovered that content elements of type _menu_ are vulnerable to cross-site scripting when their referenced items get previewed in the page module. A valid backend user account is needed to exploit this vulnerability. This is fixed in versions 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1.
Vulnerable Configurations
References
- https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-x7hc-x7fm-f7qh
- https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-x7hc-x7fm-f7qh
- https://packagist.org/packages/typo3/cms-backend
- https://packagist.org/packages/typo3/cms-backend
- https://typo3.org/security/advisory/typo3-core-sa-2021-008
- https://typo3.org/security/advisory/typo3-core-sa-2021-008