CVE-2025-4513: Open Redirect (CVSS 4.3)

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.

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CVSS v3.1 Score

4.3

MEDIUM

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

Weakness Type (CWE)

CWE-601 CWE-601

References

Other References

https://github.com/Cyber-Wo0dy/report/blob/main/moodle/key_user_authentication/v2022081901/key_user_authentication_open_redirection https://vuldb.com/?ctiid.308233 https://vuldb.com/?id.308233 https://vuldb.com/?submit.564090 https://github.com/Cyber-Wo0dy/report/blob/main/moodle/key_user_authentication/v2022081901/key_user_authentication_open_redirection

Frequently Asked Questions

What is CVE-2025-4513? +

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. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2025-4513? +

CVE-2025-4513 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2025-4513? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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