XSS in Hectavex Wp-oauth

CVE-2025-12021

The WP-OAuth plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'error_description' parameter in all versions up to, and including, 0.4.1 due to insufficient input sanitization and output escaping. This makes it p…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (19.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-12021?
CVE-2025-12021 is a medium-severity vulnerability in Hectavex Wp-oauth, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-11-11.
How severe is CVE-2025-12021?
Medium severity. CVSS v3 base score is 6.1 out of 10.