Auth bypass in Cyberlord92 Oauth Single Sign On – Sso (Oauth Client)

CVE-2025-10753

The OAuth Single Sign On – SSO (OAuth Client) plugin for WordPress is vulnerable to unauthorized access in all versions up to, and including, 6.26.14. This is due to missing capability checks and authentication verification on the OAuth redirect functionality accessible via the 'oauthredirect' option parameter. This makes it possible for unauthenticated attackers to set the global redirect URL option via the redirect_url parameter granted they can access the site directly.

Vulnerability class: Broken Access Control

EPSS: 0.003 (25.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-10753?
CVE-2025-10753 is a medium-severity vulnerability in Cyberlord92 Oauth Single Sign On – Sso (Oauth Client), classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-02-06.
How severe is CVE-2025-10753?
Medium severity. CVSS v3 base score is 5.3 out of 10.