XSS in Daggerhart Openid Connect Generic Client

CVE-2025-13730

The OpenID Connect Generic Client plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'openid_connect_generic_auth_url' shortcode in all versions up to, and including, 3.10.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (10.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-13730?
CVE-2025-13730 is a medium-severity vulnerability in Daggerhart Openid Connect Generic Client, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2025-12-18.
How severe is CVE-2025-13730?
Medium severity. CVSS v3 base score is 6.4 out of 10.