Medium severityNVD Advisory· Published Jun 9, 2026· Updated Jun 9, 2026
CVE-2026-47347
CVE-2026-47347
Description
Applications 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. This issue affects TYPO3 CMS versions before 10.4.57, 11.0.0-11.5.50, 12.0.0-12.4.45, 13.0.0-13.4.30 and 14.0.0-14.3.2.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
typo3/cms-corePackagist | < 10.4.57 | 10.4.57 |
typo3/cms-corePackagist | >= 11.0.0, < 11.5.51 | 11.5.51 |
typo3/cms-corePackagist | >= 12.0.0, < 12.4.46 | 12.4.46 |
typo3/cms-corePackagist | >= 13.0.0, < 13.4.31 | 13.4.31 |
typo3/cms-corePackagist | >= 14.0.0, < 14.3.3 | 14.3.3 |
Affected products
3Patches
Vulnerability mechanics
References
7- github.com/advisories/GHSA-3p42-w5ch-gg42ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-47347ghsaADVISORY
- github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2026-47347.yamlghsaWEB
- github.com/TYPO3/typo3/commit/22c2dd5398ebc4cb7aa4aa37e02cb39181dee0cdnvdWEB
- github.com/TYPO3/typo3/commit/3ffc0835012c6199db0e1dc4b56a77147d8600e0nvdWEB
- github.com/TYPO3/typo3/security/advisories/GHSA-3p42-w5ch-gg42ghsaWEB
- typo3.org/security/advisory/typo3-core-sa-2026-009nvdWEB
News mentions
1- TYPO3 CMS: Thirteen Backend Vulnerabilities Disclosed on June 9, 2026Vypr Intelligence · Jun 9, 2026