What is CVE-2025-13910?

CVE-2025-13910 is a medium-severity vulnerability in Axton Wp-webauthn, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-03-21.

How severe is CVE-2025-13910?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Axton Wp-webauthn

CVE-2025-13910

The WP-WebAuthn plugin for WordPress is vulnerable to Unauthenticated Stored Cross-Site Scripting via the `wwa_auth` AJAX endpoint in all versions up to, and including, 1.3.4 due to insufficient input sanitization and output escaping on us…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.001 (30.2th 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

Axton Wp-webauthn — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.wordfence.com/threat-intel/vulnerabilities/id/44407fad-6ad4-4437-930f-b25a6…
plugins.trac.wordpress.org/browser/wp-webauthn/tags/1.3.4/wwa-ajax.php
plugins.trac.wordpress.org/browser/wp-webauthn/tags/1.3.4/wwa-ajax.php
plugins.trac.wordpress.org/browser/wp-webauthn/tags/1.3.4/wwa-admin-content.php

Frequently asked questions

What is CVE-2025-13910?: CVE-2025-13910 is a medium-severity vulnerability in Axton Wp-webauthn, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-03-21.
How severe is CVE-2025-13910?: Medium severity. CVSS v3 base score is 6.1 out of 10.