Advisory details:
github_osv / GHSA-3p42-w5ch-gg42
| Advisory ID | github_osv/GHSA-3p42-w5ch-gg42 |
| Aliases |
CVE-2026-47347
|
| Summary | TYPO3 CMS has an Open Redirect Vulnerability via Core Utilities ### Problem 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. ### Solution Update 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. ### Credits TYPO3 CMS thanks Alexandre Romao for reporting this issue, and TYPO3 core & security team member Benjamin Franzke for fixing it. ### Resources * [TYPO3-CORE-SA-2026-009](https://typo3.org/security/advisory/typo3-core-sa-2026-009) |
| Status | Published |
| Exploitability | 0.5 |
| Weighted Severity | 4.8 |
| Risk | 2.4 |
| Affected and Fixed Packages | Package Details |
| Introduced and Fixed Package Commit Patches | Package Commit Patches Details |
| System | Score | Found at |
|---|---|---|
| cvssv4 | 5.3 | https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-3p42-w5ch-gg42/GHSA-3p42-w5ch-gg42.json |
| generic_textual | MODERATE |
| Reference id | Reference type | URL |
|---|---|---|
| https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2026-47347.yaml | ||
| https://github.com/TYPO3/typo3 | ||
| https://github.com/TYPO3/typo3/security/advisories/GHSA-3p42-w5ch-gg42 | ||
| 22c2dd5398ebc4cb7aa4aa37e02cb39181dee0cd | Other | https://github.com/TYPO3/typo3/commit/22c2dd5398ebc4cb7aa4aa37e02cb39181dee0cd |
| 3ffc0835012c6199db0e1dc4b56a77147d8600e0 | Other | https://github.com/TYPO3/typo3/commit/3ffc0835012c6199db0e1dc4b56a77147d8600e0 |
| CVE-2026-47347 | https://nvd.nist.gov/vuln/detail/CVE-2026-47347 | |
| typo3-core-sa-2026-009 | Advisory | https://typo3.org/security/advisory/typo3-core-sa-2026-009 |
No EPSS data available for this advisory.
| Patch URL | |
|---|---|
| There are no known patches. | |
| Attack Vector (AV) | Attack Complexity (AC) | Attack Requirements (AT) | Privileges Required (PR) | User Interaction (UI) | Vulnerable System Impact Confidentiality (VC) | Vulnerable System Impact Integrity (VI) | Vulnerable System Impact Availability (VA) | Subsequent System Impact Confidentiality (SC) | Subsequent System Impact Integrity (SI) | Subsequent System Impact Availability (SA) |
|---|---|---|---|---|---|---|---|---|---|---|
network adjacent local physical |
low high |
none present |
none low high |
none passive active |
high low none |
high low none |
high low none |
high low none |
high low none |
high low none |
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-06-09T13:53:20Z/
Decision: Track
Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2026/47xxx/CVE-2026-47347.json
Source Advisory: vulnrichment/CVE-2026-47347
[{'Exploitation': 'none'},
{'Automatable': 'yes'},
{'Technical Impact': 'partial'},
{'Mission Prevalence': 'minimal'},
{'Public Well-being Impact': 'material'},
{'Mission & Well-being': 'medium'}]