{"id":"CVE-2024-34537","aliases":["GHSA-ffcv-v6pw-qhrp"],"url":"https://o3.security/vulnerability/CVE-2024-34537","summary":"Denial of Service in TYPO3 Bookmark Toolbar","details":"### Problem\nDue to insufficient input validation, manipulated data saved in the bookmark toolbar of the backend user interface causes a general error state, blocking further access to the interface. Exploiting this vulnerability requires an administrator-level backend user account.\n\n### Solution\nUpdate to TYPO3 versions 10.4.46 ELTS, 11.5.40 LTS, 12.4.21 LTS, 13.3.1 that fix the problem described.\n\n### Credits\nThanks to Hendrik Eichner who reported this issue and to TYPO3 core & security team members Oliver Hader and Benjamin Franzke who fixed the issue.\n\n### References\n* [TYPO3-CORE-SA-2024-011](https://typo3.org/security/advisory/typo3-core-sa-2024-001)\n","published":"2024-10-28T00:00:00Z","modified":"2026-08-27T03:30:51.868917686Z","cvss":{"score":4.9,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H"},"epss":{"score":0.00713,"percentile":0.50571,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"typo3/cms-backend","fixedVersion":"13.3.1"},{"ecosystem":"Packagist","name":"typo3/cms-backend","fixedVersion":"12.4.21"},{"ecosystem":"Packagist","name":"typo3/cms-backend","fixedVersion":"11.5.40"},{"ecosystem":"Packagist","name":"typo3/cms-backend","fixedVersion":"10.4.46"}],"fix":null,"references":[{"type":"WEB","url":"https://www.mgm-sp.com/cve/denial-of-service-in-typo3-bookmark-toolbar"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/34xxx/CVE-2024-34537.json"},{"type":"ADVISORY","url":"https://github.com/TYPO3/typo3/security/advisories/GHSA-ffcv-v6pw-qhrp"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-34537"},{"type":"ADVISORY","url":"https://typo3.org/security/advisory/typo3-core-sa-2024-011"},{"type":"PACKAGE","url":"https://github.com/TYPO3-CMS/backend"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-27T03:30:51.868917686Z"}}