Auth bypass in Tomdever Wpforo Forum
CVE-2026-4666
The wpForo Forum plugin for WordPress is vulnerable to unauthorized modification of data due to the use of `extract($args, EXTR_OVERWRITE)` on user-controlled input in the `edit()` method of `classes/Posts.php` in all versions up to, and i…
Vulnerability class: Broken Access Control
EPSS: 0.000 (3.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Tomdever Wpforo Forum — versions 0
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/049ffab1-677d-4112-9f1d-092ee…
- plugins.trac.wordpress.org/browser/wpforo/tags/2.4.16/classes/Posts.php
- plugins.trac.wordpress.org/browser/wpforo/tags/2.4.16/classes/Posts.php
- plugins.trac.wordpress.org/browser/wpforo/tags/2.4.16/classes/Actions.php
- plugins.trac.wordpress.org/browser/wpforo/tags/2.4.16/includes/functions.php
- wordpress.org/plugins/wpforo/
- ti.wordfence.io/vendors/patch/1885/download
- plugins.trac.wordpress.org/changeset
Frequently asked questions
- What is CVE-2026-4666?
- CVE-2026-4666 is a medium-severity vulnerability in Tomdever Wpforo Forum, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-04-17.
- How severe is CVE-2026-4666?
- Medium severity. CVSS v3 base score is 6.5 out of 10.