CVE-2025-4513 describes an open redirect vulnerability in the Catalyst User Key Authentication Plugin 20220819 for Moodle, specifically within the /auth/userkey/logout.php component. This medium-severity vulnerability, with a CVSS score of 4.3, allows an unauthenticated attacker to redirect users to arbitrary external sites by manipulating the 'return' argument, requiring user interaction. While public exploit code exists, there is no evidence of active exploitation, and it has received minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| Catalyst | User Key Authentication Plugin | 20220819CNA affected |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.