GitHub Advisoryadvisory · Packagist
GHSA-x79j-wgqv-g8h2 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in typo3/cms-form
MEDIUM
Official page ↗
- Aliases
- CVE-2021-21358
- Ecosystem
- Packagist
- Packages
- typo3/cms-form, typo3/cms-core, typo3/cms
- Severity
- Moderate
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:F/RL:O/RC:C
- Weaknesses
- CWE-79
- Reviewed
- 2021-03-23
Affected packages
• Packagist typo3/cms-form: >= 10.2.0, < 10.4.14 → fixed in 10.4.14
• Packagist typo3/cms-form: >= 11.0.0, < 11.1.1 → fixed in 11.1.1
• Packagist typo3/cms-core: >= 10.0.0, < 10.4.14 → fixed in 10.4.14
• Packagist typo3/cms-core: >= 11.0.0, < 11.1.1 → fixed in 11.1.1
• Packagist typo3/cms: >= 10.0.0, < 10.4.14 → fixed in 10.4.14
• Packagist typo3/cms: >= 11.0.0, < 11.1.1 → fixed in 11.1.1
Description
Problem
It has been discovered that the Form Designer backend module of the Form Framework is vulnerable to cross-site scripting. A valid backend user account with access to the form module is needed to exploit this vulnerability.
Solution
Update to TYPO3 versions 10.4.14 or 11.1.1 that fix the problem described.
Credits
Thanks to Richie Lee who reported this issue and to TYPO3 framework merger Andreas Fernandez who fixed the issue.
References
• TYPO3-CORE-SA-2021-004
Related
Alias · CVE (1)
- CVE-2021-21358 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-x79j-wgqv-g8h2 web
- https://nvd.nist.gov/vuln/detail/CVE-2021-21358 advisory
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2021-21358.yaml web
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2021-21358.yaml web
- https://packagist.org/packages/typo3/cms-form web
- https://typo3.org/security/advisory/typo3-core-sa-2021-004 web