typo3-cms/core · Security
TYPO3 Cross-Site Scripting in Link Handling
- GHSA ID
- GHSA-4ppr-jw47-9qm5
- Severity
- medium
- Published
- Updated
- CVSS
- 6.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CVSS v3
- 6.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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.
CWEs
- CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References
- https://github.com/TYPO3-CMS/core/commit/280908c9472aa5e1d9ee005327bbb9aed53f613a ↗
- https://github.com/TYPO3-CMS/core/commit/89f5817c09a50d8d60821158d651bd618521164e ↗
- https://github.com/TYPO3-CMS/core/commit/d2823a451d65ac59dd42ec54c92903d70d29c813 ↗
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/2019-12-17-2.yaml ↗
- https://typo3.org/security/advisory/typo3-core-sa-2019-022 ↗
- https://github.com/advisories/GHSA-4ppr-jw47-9qm5 ↗