GitHub Advisoryadvisory · Packagist
GHSA-rgcg-28xm-8mmw Cross-Site Scripting in Backend Grid View
MEDIUM
Official page ↗
- Aliases
- CVE-2021-32669
- Ecosystem
- Packagist
- Packages
- typo3/cms-core, typo3/cms
- Severity
- Moderate
- CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N
- Weaknesses
- CWE-79
- Reviewed
- 2021-07-20
Affected packages
• Packagist typo3/cms-core: >= 8.0.0, < 8.7.41 → fixed in 8.7.41
• Packagist typo3/cms-core: >= 9.0.0, < 9.5.28 → fixed in 9.5.28
• Packagist typo3/cms-core: >= 10.0.0, < 10.4.18 → fixed in 10.4.18
• Packagist typo3/cms-core: >= 11.0.0, < 11.3.1 → fixed in 11.3.1
• Packagist typo3/cms: >= 10.0.0, < 10.4.18 → fixed in 10.4.18
• Packagist typo3/cms: >= 11.0.0, < 11.3.1 → fixed in 11.3.1
• Packagist typo3/cms: >= 9.0.0, < 9.5.28 → fixed in 9.5.28
Description
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.
Related
Alias · CVE (1)
- CVE-2021-32669 TYPO3 is an open source PHP based web content management system. vulnerability
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- 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