XSS in Jbrinley Mailgun Subscriptions
CVE-2025-11876
The Mailgun Subscriptions plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'mailgun_subscription_form' shortcode in all versions up to, and including, 1.3.1 due to insufficient input sanitization and outpu…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.002 (8.6th 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
- Jbrinley Mailgun Subscriptions — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2025-11876?
- CVE-2025-11876 is a medium-severity vulnerability in Jbrinley Mailgun Subscriptions, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2025-12-12.
- How severe is CVE-2025-11876?
- Medium severity. CVSS v3 base score is 6.4 out of 10.