{"id":"CVE-2026-47347","aliases":["GHSA-3p42-w5ch-gg42"],"url":"https://o3.security/vulnerability/CVE-2026-47347","summary":"TYPO3 CMS - Open Redirect in Core Utilities","details":"### Problem\nApplications that use `GeneralUtility::sanitizeLocalUrl` to allow only local URLs are vulnerable to open redirect attacks if the URL is used after it has passed the aforementioned sanitization checks. This enables attackers to redirect users to external content and carry out phishing attacks.\n\n### Solution\nUpdate to TYPO3 versions 10.4.57 ELTS, 11.5.51 ELTS, 12.4.46 ELTS, 13.4.31 LTS, 14.3.3 LTS that fix the problem described.\n\n### Credits\nTYPO3 CMS thanks Alexandre Romao for reporting this issue, and TYPO3 core & security team member Benjamin Franzke for fixing it.\n\n### Resources\n* [TYPO3-CORE-SA-2026-009](https://typo3.org/security/advisory/typo3-core-sa-2026-009)","published":"2026-06-09T10:51:00.283Z","modified":"2026-10-21T02:52:35.605526256Z","cvss":null,"epss":{"score":0.00294,"percentile":0.21562,"asOf":"2026-09-01"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"typo3/cms-core","fixedVersion":"10.4.57"},{"ecosystem":"Packagist","name":"typo3/cms-core","fixedVersion":"11.5.51"},{"ecosystem":"Packagist","name":"typo3/cms-core","fixedVersion":"12.4.46"},{"ecosystem":"Packagist","name":"typo3/cms-core","fixedVersion":"13.4.31"},{"ecosystem":"Packagist","name":"typo3/cms-core","fixedVersion":"14.3.3"}],"fix":{"url":"https://github.com/TYPO3/typo3/commit/22c2dd5398ebc4cb7aa4aa37e02cb39181dee0cd","label":"TYPO3/typo3@22c2dd5"},"references":[{"type":"WEB","url":"https://packagist.org"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/47xxx/CVE-2026-47347.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-47347"},{"type":"ADVISORY","url":"https://typo3.org/security/advisory/typo3-core-sa-2026-009"},{"type":"FIX","url":"https://github.com/TYPO3/typo3/commit/22c2dd5398ebc4cb7aa4aa37e02cb39181dee0cd"},{"type":"FIX","url":"https://github.com/TYPO3/typo3/commit/3ffc0835012c6199db0e1dc4b56a77147d8600e0"},{"type":"PACKAGE","url":"https://github.com/TYPO3/typo3"},{"type":"WEB","url":"https://github.com/TYPO3/typo3/security/advisories/GHSA-3p42-w5ch-gg42"},{"type":"WEB","url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2026-47347.yaml"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-21T02:52:35.605526256Z"}}