CVE-2025-4513

MEDIUM

Catalyst User Key Authentication Plugin 20220819 - Open Redirect

Title source: llm

Description

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.

References (4)

Core 4

Core References

Permissions Required, VDB Entry vdb-entry technical-description

https://vuldb.com/?id.308233

Permissions Required, VDB Entry signature permissions-required

https://vuldb.com/?ctiid.308233

Permissions Required, VDB Entry third-party-advisory

https://vuldb.com/?submit.564090

Various Sources exploit

https://github.com/Cyber-Wo0dy/report/blob/main/moodle/key_user_authentication/v2022081901/key_user_authentication_open_redirection

View Writeup ZIP pw:eip

Scores

CVSS v3 4.3

EPSS 0.0022

EPSS Percentile 44.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-601

Status published

Products (1)

Catalyst/User Key Authentication Plugin 20220819

Published May 10, 2025

Tracked Since Feb 18, 2026