GHSA-4ppr-jw47-9qm5medium6.1No CVE assigned
TYPO3 Cross-Site Scripting in Link Handling
Impact
It has been discovered that t3:// URL handling and typolink functionality are vulnerable to cross-site scripting. Not only regular backend forms are affected but also frontend extensions which use the rendering with typolink.
Source excerpt · OSVAffected packages
Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.
typo3/cms-core Packagist
| Affected range | Recorded fix |
|---|---|
| From 10.0.0 before 10.2.1Ecosystem versions | 10.2.1 |
| From 8.0.0 before 8.7.30Ecosystem versions | 8.7.30 |
| From 9.0.0 before 9.5.12Ecosystem versions | 9.5.12 |
Version evidence: OSV · GHSA-4ppr-jw47-9qm5
View original version evidence (47 explicit versions)
Original source description
It has been discovered that t3:// URL handling and typolink functionality are vulnerable to cross-site scripting. Not only regular backend forms are affected but also frontend extensions which use the rendering with typolink.
References
- Patch github.com/TYPO3-CMS/core/commit/280908c9472aa5e1d9ee005327bbb9aed53f613a
- Patch github.com/TYPO3-CMS/core/commit/89f5817c09a50d8d60821158d651bd618521164e
- Patch github.com/TYPO3-CMS/core/commit/d2823a451d65ac59dd42ec54c92903d70d29c813
- Security advisory github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/2019-12-17-2.yaml
- Source reference github.com/TYPO3-CMS/core
- Security advisory typo3.org/security/advisory/typo3-core-sa-2019-022