GHSA-4ppr-jw47-9qm5: TYPO3 Cross-Site Scripting in Link Handling
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
- github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/2019-12-17-2.yaml
- github.com/TYPO3-CMS/core
- github.com/TYPO3-CMS/core/commit/280908c9472aa5e1d9ee005327bbb9aed53f613a
- github.com/TYPO3-CMS/core/commit/89f5817c09a50d8d60821158d651bd618521164e
- github.com/TYPO3-CMS/core/commit/d2823a451d65ac59dd42ec54c92903d70d29c813
- github.com/advisories/GHSA-4ppr-jw47-9qm5
- typo3.org/security/advisory/typo3-core-sa-2019-022
Code Behaviors & Features
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