{"id":"GHSA-hw6c-6gwq-3m3m","aliases":["CVE-2024-34357"],"title":"TYPO3 vulnerable to Cross-Site Scripting in the ShowImageController","description":"### Problem\nFailing 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.\n\n### Solution\nUpdate 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.\n\n### Credits\nThanks to TYPO3 security team member Torben Hansen who reported this issue and to TYPO3 core & security team member Oliver Hader who fixed the issue.\n\n### References\n* [TYPO3-CORE-SA-2024-009](https://typo3.org/security/advisory/typo3-core-sa-2024-009)\n","severity":"medium","score":5.4,"published":"2024-05-14T20:13:25.000Z","modified":"2026-09-10T03:50:13.952Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist","name":"typo3/cms-core","ranges":[{"events":[{"introduced":"9.0.0"},{"fixed":"9.5.48"}],"type":"ECOSYSTEM"}],"versions":["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","v9.5.10","v9.5.11","v9.5.12","v9.5.13","v9.5.14","v9.5.15","v9.5.16","v9.5.17","v9.5.18","v9.5.19","v9.5.2","v9.5.20","v9.5.21","v9.5.22","v9.5.23","v9.5.24","v9.5.25","v9.5.26","v9.5.27","v9.5.28","v9.5.29","v9.5.3","v9.5.30","v9.5.31","v9.5.4","v9.5.5","v9.5.6","v9.5.7","v9.5.8","v9.5.9"],"fixed":["9.5.48"]},{"ecosystem":"Packagist","name":"typo3/cms-core","ranges":[{"events":[{"introduced":"10.0.0"},{"fixed":"10.4.45"}],"type":"ECOSYSTEM"}],"versions":["v10.0.0","v10.1.0","v10.2.0","v10.2.1","v10.2.2","v10.3.0","v10.4.0","v10.4.1","v10.4.10","v10.4.11","v10.4.12","v10.4.13","v10.4.14","v10.4.15","v10.4.16","v10.4.17","v10.4.18","v10.4.19","v10.4.2","v10.4.20","v10.4.21","v10.4.22","v10.4.23","v10.4.24","v10.4.25","v10.4.26","v10.4.27","v10.4.28","v10.4.29","v10.4.3","v10.4.30","v10.4.31","v10.4.32","v10.4.33","v10.4.34","v10.4.36","v10.4.37","v10.4.4","v10.4.5","v10.4.6","v10.4.7","v10.4.8","v10.4.9"],"fixed":["10.4.45"]},{"ecosystem":"Packagist","name":"typo3/cms-core","ranges":[{"events":[{"introduced":"11.0.0"},{"fixed":"11.5.37"}],"type":"ECOSYSTEM"}],"versions":["v11.0.0","v11.1.0","v11.1.1","v11.2.0","v11.3.0","v11.3.1","v11.3.2","v11.3.3","v11.4.0","v11.5.0","v11.5.1","v11.5.10","v11.5.11","v11.5.12","v11.5.13","v11.5.14","v11.5.15","v11.5.16","v11.5.17","v11.5.18","v11.5.19","v11.5.2","v11.5.20","v11.5.21","v11.5.22","v11.5.23","v11.5.24","v11.5.25","v11.5.26","v11.5.27","v11.5.28","v11.5.29","v11.5.3","v11.5.30","v11.5.31","v11.5.32","v11.5.33","v11.5.34","v11.5.35","v11.5.36","v11.5.4","v11.5.5","v11.5.6","v11.5.7","v11.5.8","v11.5.9"],"fixed":["11.5.37"]},{"ecosystem":"Packagist","name":"typo3/cms-core","ranges":[{"events":[{"introduced":"12.0.0"},{"fixed":"12.4.15"}],"type":"ECOSYSTEM"}],"versions":["v12.0.0","v12.1.0","v12.1.1","v12.1.2","v12.1.3","v12.2.0","v12.3.0","v12.4.0","v12.4.1","v12.4.10","v12.4.11","v12.4.12","v12.4.13","v12.4.14","v12.4.2","v12.4.3","v12.4.4","v12.4.5","v12.4.6","v12.4.7","v12.4.8","v12.4.9"],"fixed":["12.4.15"]},{"ecosystem":"Packagist","name":"typo3/cms-core","ranges":[{"events":[{"introduced":"13.0.0"},{"fixed":"13.1.1"}],"type":"ECOSYSTEM"}],"versions":["v13.0.0","v13.0.1","v13.1.0"],"fixed":["13.1.1"]}],"references":["https://github.com/TYPO3/typo3/security/advisories/GHSA-hw6c-6gwq-3m3m","https://nvd.nist.gov/vuln/detail/CVE-2024-34357","https://github.com/TYPO3/typo3/commit/376474904f6b9a54dc1b785a2e45277cbd13b0d7","https://github.com/TYPO3/typo3/commit/b31d05d1da3eeaeead2d19eb43b1c3f9c88e15ee","https://github.com/TYPO3/typo3/commit/d774642381354d3bf5095a5a26e18acd2767f0b1","https://github.com/TYPO3/typo3","https://typo3.org/security/advisory/typo3-core-sa-2024-009"],"sources":[{"name":"OSV","id":"GHSA-hw6c-6gwq-3m3m","modified":"2026-09-10T03:50:13.952240048Z","url":"https://osv.dev/vulnerability/GHSA-hw6c-6gwq-3m3m"}],"assessments":[{"source":"OSV","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","score":5.4}]}