XSS in Rafasashi Custom New User Notification
CVE-2026-3551
The Custom New User Notification plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's admin settings in all versions up to, and including, 1.2.0. This is due to insufficient input sanitization and output escap…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.000 (8.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N.
Affected products
- Rafasashi Custom New User Notification — versions 0
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/7a14d35d-144c-4ddd-b288-5e0e0…
- plugins.trac.wordpress.org/browser/custom-new-user-notification/trunk/admin/inc…
- plugins.trac.wordpress.org/browser/custom-new-user-notification/tags/1.2.0/admi…
- plugins.trac.wordpress.org/browser/custom-new-user-notification/trunk/admin/inc…
- plugins.trac.wordpress.org/browser/custom-new-user-notification/tags/1.2.0/admi…
- plugins.trac.wordpress.org/browser/custom-new-user-notification/trunk/admin/inc…
- plugins.trac.wordpress.org/browser/custom-new-user-notification/tags/1.2.0/admi…
- plugins.trac.wordpress.org/browser/custom-new-user-notification/trunk/admin/inc…
- plugins.trac.wordpress.org/browser/custom-new-user-notification/tags/1.2.0/admi…
- plugins.trac.wordpress.org/browser/custom-new-user-notification/trunk/admin/inc…
Frequently asked questions
- What is CVE-2026-3551?
- CVE-2026-3551 is a medium-severity vulnerability in Rafasashi Custom New User Notification, classified under Cross-site Scripting. CVSS score: 4.4/10. Published 2026-04-16.
- How severe is CVE-2026-3551?
- Medium severity. CVSS v3 base score is 4.4 out of 10.