XSS in Ultimatemember Forumwp – Forum & Discussion Board
CVE-2025-13746
The ForumWP – Forum & Discussion Board plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the User's Display Name in all versions up to, and including, 2.1.6 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Subscriber-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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (11.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 11.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Ultimatemember Forumwp – Forum & Discussion Board — versions 0
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/f0eb6dc5-98e2-4d88-98f8-8a63c…
- plugins.trac.wordpress.org/browser/forumwp/tags/2.1.5/assets/front/js/tooltip.js
- plugins.trac.wordpress.org/browser/forumwp/tags/2.1.5/includes/common/class-use…
- plugins.trac.wordpress.org/browser/forumwp/tags/2.1.5/templates/user-card.php
Frequently asked questions
- What is CVE-2025-13746?
- CVE-2025-13746 is a medium-severity vulnerability in Ultimatemember Forumwp – Forum & Discussion Board, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-01-06.
- How severe is CVE-2025-13746?
- Medium severity. CVSS v3 base score is 6.4 out of 10.