What is CVE-2026-3666?

CVE-2026-3666 is a high-severity vulnerability in Tomdever Wpforo Forum, classified under Path Traversal. CVSS score: 8.8/10. Published 2026-04-04.

How severe is CVE-2026-3666?

High severity. CVSS v3 base score is 8.8 out of 10.

Path Traversal in Tomdever Wpforo Forum

CVE-2026-3666

The wpForo Forum plugin for WordPress is vulnerable to arbitrary file deletion in all versions up to, and including, 2.4.16. This is due to a missing file name/path validation against path traversal sequences. This makes it possible for au…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.000 (11.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Tomdever Wpforo Forum — versions 0

Weakness classification (CWE)

CWE-22 — Path Traversal

References

www.wordfence.com/threat-intel/vulnerabilities/id/f215e320-8563-4d25-9963-ed366…
plugins.trac.wordpress.org/changeset

Frequently asked questions

What is CVE-2026-3666?: CVE-2026-3666 is a high-severity vulnerability in Tomdever Wpforo Forum, classified under Path Traversal. CVSS score: 8.8/10. Published 2026-04-04.
How severe is CVE-2026-3666?: High severity. CVSS v3 base score is 8.8 out of 10.