Vulnerability advisory
GHSA-8m6j-p5jv-v69w
TYPO3 Cross-Site Scripting in Online Media Asset Rendering
Severity
- CVSS 3.x
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Affected versions
typo3/cms Packagist
All typo3/cms advisories →| Affected | Fixed in |
|---|---|
7.0.0 to before 7.6.32 | 7.6.32Advisories → |
8.0.0 to before 8.7.21 | 8.7.21Advisories → |
9.0.0 to before 9.5.2 | 9.5.2Advisories → |
Description
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.
References
- Webgithub.com/TYPO3/typo3/commit/20927adfb8aae0093508c904937e40114b92a90c ↗
- Webgithub.com/TYPO3/typo3/commit/a32a9a746f807b14571139f0cb7caa00b8d037a5 ↗
- Webgithub.com/TYPO3/typo3/commit/c9174937802581bfecfaa788512a4f6e5cf8e9c7 ↗
- Webgithub.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/2018-12-11-1.yaml ↗
- Packagegithub.com/TYPO3/typo3 ↗
- Webtypo3.org/security/advisory/typo3-core-sa-2018-006 ↗