Vulnerability advisory
GHSA-4ppr-jw47-9qm5
TYPO3 Cross-Site Scripting in Link Handling
Severity
- CVSS 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Affected versions
| Affected | Fixed in |
|---|---|
10.0.0 to before 10.2.1 | 10.2.1Advisories → |
8.0.0 to before 8.7.30 | 8.7.30Advisories → |
9.0.0 to before 9.5.12 | 9.5.12Advisories → |
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
- Webgithub.com/TYPO3-CMS/core/commit/280908c9472aa5e1d9ee005327bbb9aed53f613a ↗
- Webgithub.com/TYPO3-CMS/core/commit/89f5817c09a50d8d60821158d651bd618521164e ↗
- Webgithub.com/TYPO3-CMS/core/commit/d2823a451d65ac59dd42ec54c92903d70d29c813 ↗
- Webgithub.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/2019-12-17-2.yaml ↗
- Packagegithub.com/TYPO3-CMS/core ↗
- Webtypo3.org/security/advisory/typo3-core-sa-2019-022 ↗