Vulnerability in Tomdever Wpforo Forum
CVE-2026-5809
The wpForo Forum plugin for WordPress is vulnerable to Arbitrary File Deletion in versions up to and including 3.0.2. This is due to a two-step logic flaw: the topic_add() and topic_edit() action handlers accept arbitrary user-supplied dat…
EPSS: 0.000 (13.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H.
Affected products
- Tomdever Wpforo Forum — versions 0
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/0e46ac8d-89ee-4480-bb96-83f20…
- plugins.trac.wordpress.org/changeset/3503313/wpforo
- plugins.trac.wordpress.org/browser/wpforo/tags/3.0.2/classes/Actions.php
- plugins.trac.wordpress.org/browser/wpforo/tags/3.0.2/classes/Actions.php
- plugins.trac.wordpress.org/browser/wpforo/tags/3.0.2/classes/Posts.php
- plugins.trac.wordpress.org/browser/wpforo/tags/3.0.2/classes/PostMeta.php
- plugins.trac.wordpress.org/browser/wpforo/tags/3.0.2/classes/PostMeta.php
- plugins.trac.wordpress.org/browser/wpforo/tags/3.0.2/classes/PostMeta.php
- plugins.trac.wordpress.org/browser/wpforo/tags/3.0.2/includes/functions.php
Frequently asked questions
- What is CVE-2026-5809?
- CVE-2026-5809 is a high-severity vulnerability in Tomdever Wpforo Forum, classified under External Control of File Name or Path. CVSS score: 7.1/10. Published 2026-04-11.
- How severe is CVE-2026-5809?
- High severity. CVSS v3 base score is 7.1 out of 10.