PT-2025-51223 · WordPress · User Registration & Membership – Custom Registration Form Builder

Published 2025-12-15 · Updated 2025-12-15 · CVE-2025-13367

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions User Registration & Membership – Custom Registration Form Builder, Custom Login Form, User Profile, Content Restriction & Membership Plugin for WordPress versions through 4.4.6

Description The software contains a Stored Cross-Site Scripting issue resulting from inadequate input sanitization and output escaping. This allows authenticated attackers with contributor-level access or higher to inject arbitrary web scripts into pages. These scripts will execute when a user accesses the injected page.

Recommendations Update to a version beyond 4.4.6.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-13367

Affected Products

User Registration & Membership – Custom Registration Form Builder

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2025-13367 · Security Note
• https://t.me/CVEtracker/39832 · Telegram Post
• https://plugins.trac.wordpress.org/changeset/3412096/user-registration/trunk/modules/membership/includes/Templates/thank-you-page.php · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/2244945a-5b3a-463d-9910-46a6f7afaf6c?source=cve · Note
• https://twitter.com/VulmonFeeds/status/2000620355438678344 · Twitter Post
• https://plugins.trac.wordpress.org/changeset/3412096/user-registration/trunk/modules/membership/includes/Templates/membership-listing.php · Note
• https://twitter.com/CVEnew/status/2000611208081428502 · Twitter Post