Vulnerability advisory
GHSA-x79j-wgqv-g8h2
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in typo3/cms-form
Also known as BIT-typo3-2021-21358CVE-2021-21358
Severity
- CVSS 3.x
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
Affected versions
| Affected | Fixed in |
|---|---|
10.2.0 to before 10.4.14 | 10.4.14Advisories → |
11.0.0 to before 11.1.1 | 11.1.1Advisories → |
| Affected | Fixed in |
|---|---|
10.0.0 to before 10.4.14 | 10.4.14Advisories → |
11.0.0 to before 11.1.1 | 11.1.1Advisories → |
typo3/cms Packagist
All typo3/cms advisories →| Affected | Fixed in |
|---|---|
10.0.0 to before 10.4.14 | 10.4.14Advisories → |
11.0.0 to before 11.1.1 | 11.1.1Advisories → |
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
References
- Webgithub.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-x79j-wgqv-g8h2 ↗
- Advisorynvd.nist.gov/vuln/detail/CVE-2021-21358 ↗
- Webgithub.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2021-21358.yaml ↗
- Webgithub.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2021-21358.yaml ↗
- Webpackagist.org/packages/typo3/cms-form ↗
- Webtypo3.org/security/advisory/typo3-core-sa-2021-004 ↗