TYPO3 Cross-Site Scripting in Online Media Asset Rendering
Priority LOW 38CWE-79Published · Updated
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
Failing to properly encode user input, online media asset rendering (*.youtube and *.vimeo files) is vulnerable to cross-site scripting. A valid backend user account or write access on the server system (e.g. SFTP) is needed in order to exploit this vulnerability.
Why it matters now
Fix Fixed typo3/cms-core (Packagist): 8.7.21, 9.5.2
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-core (Packagist) | 8.0.0 to before 8.7.21 | 8.7.21 | Patch available | GHSA-wg8h-gxf4-g4gh |
| — | typo3/cms-core (Packagist) | 9.0.0 to before 9.5.2 | 9.5.2 | Patch available | GHSA-wg8h-gxf4-g4gh |
- typo3/cms-core (Packagist) Vendor— Affected 8.0.0 to before 8.7.21 Fixed in 8.7.21 Patch available GHSA-wg8h-gxf4-g4gh
- typo3/cms-core (Packagist) Vendor— Affected 9.0.0 to before 9.5.2 Fixed in 9.5.2 Patch available GHSA-wg8h-gxf4-g4gh
Remediation
- Fix · GHSA-wg8h-gxf4-g4gh typo3/cms-core (Packagist) Fixed in 8.7.21 Advisory →
- Fix · GHSA-wg8h-gxf4-g4gh typo3/cms-core (Packagist) Fixed in 9.5.2 Advisory →
Timeline
- 2026-10-03 Threatist record created from GHSA-wg8h-gxf4-g4gh
References
Other 5
- https://github.com/TYPO3-CMS/core/commit/23800859368e2af60604ff27f3eed9971ccd9fbd
- https://github.com/TYPO3-CMS/core/commit/f9e5e255f41c248e115b2a755b797ce48d10d72a
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/2018-12-11-1.yaml
- https://github.com/TYPO3-CMS/core
- https://typo3.org/security/advisory/typo3-core-sa-2018-006
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences