TYPO3 vulnerable to Cross-Site Scripting in the ShowImageController
### 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)
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2024-34357US | — | — | ||
TYPO3 is an enterprise content management system. Starting in version 9.0.0 and prior to versions 9.5.48 ELTS, 10.4.45 ELTS, 11.5.37 LTS, 12.4.15 LTS, and 13.1.1, failing to proper… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/TYPO3/typo3PACKAGE
- https://github.com/TYPO3/typo3/commit/376474904f6b9a54dc1b785a2e45277cbd13b0d7WEB
- https://github.com/TYPO3/typo3/commit/b31d05d1da3eeaeead2d19eb43b1c3f9c88e15eeWEB
- https://github.com/TYPO3/typo3/commit/d774642381354d3bf5095a5a26e18acd2767f0b1WEB
- https://github.com/TYPO3/typo3/security/advisories/GHSA-hw6c-6gwq-3m3mWEB
- https://nvd.nist.gov/vuln/detail/CVE-2024-34357ADVISORY
- https://typo3.org/security/advisory/typo3-core-sa-2024-009WEB
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