Vulnerability advisory

GHSA-5wx6-xwxf-q8qj

Cross-Site Scripting in TYPO3 Backend

Published Jun 5, 2024Updated Dec 2, 2024OSV record ↗

Severity

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

Affected versions

typo3/cms Packagist

Affected	Fixed in
`6.2.0` to before 6.2.20	`6.2.20`Advisories →
Also listed as affected (21) `6.2.0` `6.2.1` `6.2.10` `6.2.10-rc1` `6.2.11` `6.2.12` `6.2.13` `6.2.14` `6.2.15` `6.2.16` `6.2.17` `6.2.18` `6.2.19` `6.2.2` `6.2.3` `6.2.4` `6.2.5` `6.2.6` `6.2.7` `6.2.8` `6.2.9`
`7.6.0` to before 7.6.5	`7.6.5`Advisories →
Also listed as affected (5) `7.6.0` `7.6.1` `7.6.2` `7.6.3` `7.6.4`
`8.0.0` to before 8.0.1	`8.0.1`Advisories →
Also listed as affected (1) `8.0.0`

Description

Failing to properly encode user input, some backend components are vulnerable to Cross-Site Scripting. A valid backend user account is needed to exploit this vulnerability.

References

Webgithub.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/2016-04-12-1.yaml ↗
Webtypo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2016-009 ↗