MEDIUM6.4
GHSA-rgcg-28xm-8mmw
Cross-Site Scripting in Backend Grid View
Quick fix
GHSA-rgcg-28xm-8mmw — typo3/cms-core: upgrade to the fixed version with the command below.
composer require typo3/cms-core:^8.7.41Details
### 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.
Are you affected?
Enter the version of the package you're using.
Affected packages
Packagist/typo3/cms-core
Introduced in:
8.0.0Fixed in: 8.7.41Fix
composer require typo3/cms-core:^8.7.41Packagist/typo3/cms-core
Introduced in:
9.0.0Fixed in: 9.5.28Fix
composer require typo3/cms-core:^9.5.28Packagist/typo3/cms-core
Introduced in:
10.0.0Fixed in: 10.4.18Fix
composer require typo3/cms-core:^10.4.18Packagist/typo3/cms-core
Introduced in:
11.0.0Fixed in: 11.3.1Fix
composer require typo3/cms-core:^11.3.1References
- https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-rgcg-28xm-8mmw[WEB]
- https://nvd.nist.gov/vuln/detail/CVE-2021-32669[ADVISORY]
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2021-32669.yaml[WEB]
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2021-32669.yaml[WEB]
- https://typo3.org/security/advisory/typo3-core-sa-2021-011[WEB]