medium5.0
CVE-2021-21358
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in typo3/cms-form
Impact
### 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](https://typo3.org/security/advisory/typo3-core-sa-2021-004)
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| composer | typo3/cms-form | >= 10.2.0, <= 10.4.13 | 10.4.14 |
| composer | typo3/cms-core | >= 10.0.0, < 10.4.14 | 10.4.14 |
| composer | typo3/cms | >= 10.0.0, < 10.4.14 | 10.4.14 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Typo3 | Typo3 | from 10.2.0 before 10.4.14 from 11.0.0 before 11.1.1 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-x79j-wgqv-g8h2
- https://packagist.org/packages/typo3/cms-form
- https://typo3.org/security/advisory/typo3-core-sa-2021-004
- https://github.com/advisories/GHSA-x79j-wgqv-g8h2
- https://nvd.nist.gov/vuln/detail/CVE-2021-21358
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2021-21358.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2021-21358.yaml