CVE-2024-55892
TYPO3 Potential Open Redirect via Parsing Differences
Description
### Problem Applications that use `TYPO3\CMS\Core\Http\Uri` to parse externally provided URLs (e.g., via a query parameter) and validate the host of the parsed URL may be vulnerable to open redirect or SSRF attacks if the URL is used after passing the validation checks. ### Solution Update to TYPO3 versions 9.5.49 ELTS, 10.4.48 ELTS, 11.5.42 ELTS, 12.4.25 LTS, 13.4.3 LTS that fix the problem described. ### Credits Thanks to Sam Mush and Christian Eßl who reported this issue and to TYPO3 core & security team member Benjamin Franzke who fixed the issue. ### References * [TYPO3-CORE-SA-2025-002](https://typo3.org/security/advisory/typo3-core-sa-2025-002)
How to fix CVE-2024-55892
To remediate CVE-2024-55892, upgrade the affected package to a fixed version below.
- —upgrade to 9.5.49 or later
Is CVE-2024-55892 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 9.0.0, < 9.5.49
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N |