Vulnerability advisory

GHSA-wg8h-gxf4-g4gh

TYPO3 Cross-Site Scripting in Online Media Asset Rendering

Published May 30, 2024Updated Dec 5, 2024OSV record ↗

Severity

CVSS 3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected versions

typo3/cms-core Packagist

Affected	Fixed in
`8.0.0` to before 8.7.21	`8.7.21`Advisories →
Also listed as affected (14) `v8.7.10` `v8.7.11` `v8.7.12` `v8.7.13` `v8.7.14` `v8.7.15` `v8.7.16` `v8.7.17` `v8.7.18` `v8.7.19` `v8.7.20` `v8.7.7` `v8.7.8` `v8.7.9`
`9.0.0` to before 9.5.2	`9.5.2`Advisories →
Also listed as affected (11) `v9.0.0` `v9.1.0` `v9.2.0` `v9.2.1` `v9.3.0` `v9.3.1` `v9.3.2` `v9.3.3` `v9.4.0` `v9.5.0` `v9.5.1`

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-CMS/core/commit/23800859368e2af60604ff27f3eed9971ccd9fbd ↗
Webgithub.com/TYPO3-CMS/core/commit/f9e5e255f41c248e115b2a755b797ce48d10d72a ↗
Webgithub.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/2018-12-11-1.yaml ↗
Packagegithub.com/TYPO3-CMS/core ↗
Webtypo3.org/security/advisory/typo3-core-sa-2018-006 ↗