TYPO3 Cross-Site Scripting Vulnerability Exploitable by Editors
Key facts
- Attack vector
- —
- Privileges required
- —
- User interaction
- —
- Attack complexity
- —
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- —
- Fix status
- Fixed
No CVSS vector from any source. Fix status from GitHub. Impact type from CWE-79.
Summary
It has been discovered that link tags generated by typolink functionality in the website's frontend are vulnerable to cross-site scripting - values being assigned to HTML attributes have not been parsed correctly. A valid backend user account is needed to exploit this vulnerability. As second and separate vulnerability in the filelist module of the backend user interface has been referenced with this advisory as well. Error messages being shown after using a malicious name for renaming a file are not propery encoded, thus vulnerable to cross-site scripting. A valid backend user account is needed to exploit this vulnerability.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | typo3/cms (Packagist) | 6.2.0 to before 6.2.14 | 6.2.14 | Patch available | GHSA-wp8j-c736-c5r3 |
| — | typo3/cms (Packagist) | 7.0.0 to before 7.3.1 | 7.3.1 | Patch available | GHSA-wp8j-c736-c5r3 |
- typo3/cms (Packagist) Vendor— Affected 6.2.0 to before 6.2.14 Fixed in 6.2.14 Patch available GHSA-wp8j-c736-c5r3
- typo3/cms (Packagist) Vendor— Affected 7.0.0 to before 7.3.1 Fixed in 7.3.1 Patch available GHSA-wp8j-c736-c5r3
Remediation
- Fix · GHSA-wp8j-c736-c5r3 typo3/cms (Packagist) Fixed in 6.2.14 Advisory →
- Fix · GHSA-wp8j-c736-c5r3 typo3/cms (Packagist) Fixed in 7.3.1 Advisory →
Timeline
- 2026-10-03 Threatist record created from GHSA-wp8j-c736-c5r3
References
Other 6
- https://github.com/TYPO3/typo3/commit/7695d91fca1a96a3a3e7466097ae92c32b1130d8
- https://github.com/TYPO3/typo3/commit/d7feb40c8d277c6b6ab3a548313be1e1a2084299
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/2015-07-01-3.yaml
- https://github.com/TYPO3/typo3
- https://typo3.org/security/advisory/typo3-core-sa-2015-004
- https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2015-004
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences