GHSA-rgcg-28xm-8mmw

Dashboard / Vulnerabilities / GHSA-rgcg-28xm-8mmw

GHSA-rgcg-28xm-8mmw

Summary: Cross-Site Scripting in Backend Grid View

Details: ### Problem Failing to properly encode settings for _backend layouts_, the corresponding grid view is vulnerable to persistent cross-site scripting. A valid backend user account is needed to exploit this vulnerability. ### Solution Update to TYPO3 versions 8.7.41 ELTS, 9.5.28, 10.4.18, 11.3.1 that fix the problem described. ### Credits Thanks to TYPO3 core merger Oliver Bartsch who reported and fixed the issue.

References: https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-rgcg-28xm-8mmw, https://nvd.nist.gov/vuln/detail/CVE-2021-32669, https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2021-32669.yaml, https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2021-32669.yaml, https://typo3.org/security/advisory/typo3-core-sa-2021-011