Catalyst User Key Authentication Plugin Logout logout.php redirect
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-601.
Summary
A vulnerability classified as problematic was found in Catalyst User Key Authentication Plugin 20220819 on Moodle. Affected by this vulnerability is an unknown functionality of the file /auth/userkey/logout.php of the component Logout. The manipulation of the argument return leads to open redirect. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-4513
- 2026-10-03 Alias added: GHSA-x598-7968-m6vh
References
More Catalyst vulnerabilities
- TI-2020-14448 Catalyst IT Ltd Mahara CMS v19.10.2 was discovered to contain multiple cross-site… CVSS 3.1MEDIUM 5.4
Sources
- CVE-2025-4513 · CVE Program
- CVE-2025-4513 · NVD
- FIRST EPSS
- GHSA-x598-7968-m6vh · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences