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GHSA-hw6c-6gwq-3m3m

TYPO3 vulnerable to Cross-Site Scripting in the ShowImageController

Source: GitHub Advisory Database (reviewed) Moderate CVE-2024-34357

Packages

EcosystemPackageAffectedFixed in
Packagist typo3/cms-core >= 9.0.0, < 9.5.48 9.5.48
Packagist typo3/cms-core >= 10.0.0, < 10.4.45 10.4.45
Packagist typo3/cms-core >= 11.0.0, < 11.5.37 11.5.37
Packagist typo3/cms-core >= 12.0.0, < 12.4.15 12.4.15
Packagist typo3/cms-core >= 13.0.0, < 13.1.1 13.1.1

Details

As written in the advisory (Markdown source, shown as plain text).

### Problem Failing to properly encode user-controlled values in file entities, the `ShowImageController` (_eID tx_cms_showpic_) is vulnerable to cross-site scripting. Exploiting this vulnerability requires a valid backend user account with access to file entities. ### Solution Update to TYPO3 versions 9.5.48 ELTS, 10.4.45 ELTS, 11.5.37 LTS, 12.4.15 LTS, 13.1.1 that fix the problem described. ### Credits Thanks to TYPO3 security team member Torben Hansen who reported this issue and to TYPO3 core & security team member Oliver Hader who fixed the issue. ### References * [TYPO3-CORE-SA-2024-009](https://typo3.org/security/advisory/typo3-core-sa-2024-009)

References

External links from the advisory. They lead to third-party sites.