4.3
/ 10
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Description
The User Registration & Membership plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the `embed_form_action()` function in all versions up to, and including, 5.1.4. This makes it possible for authenticated attackers, with Contributor-level access and above, to append shortcode content to arbitrary pages they do not own or have permission to edit.
Basic Information
ID
CVE-2026-3601
Source
Wordfence
Published
May 5, 2026 at 08:27
Affected Product
Vendor
wpeverest
Product
User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder
Affected Versions
wpeverest User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder 0
CWE Classification
References
- www.wordfence.com /threat-intel/vulnerabilities/id/c8798fb2-4cab-4960-9e32-fd74bb4a5091
- plugins.trac.wordpress.org /browser/user-registration/trunk/includes/class-ur-ajax.php
- plugins.trac.wordpress.org /browser/user-registration/tags/5.1.2/includes/class-ur-ajax.php
- plugins.trac.wordpress.org /browser/user-registration/trunk/includes/admin/class-ur-admin-assets.php
- plugins.trac.wordpress.org /browser/user-registration/tags/5.1.2/includes/admin/class-ur-admin-assets.php
- plugins.trac.wordpress.org /changeset/3485702/user-registration/trunk/includes/class-ur-ajax.php