Path Traversal in Jetmonsters Jetformbuilder — Dynamic Blocks Form Builder
CVE-2026-4373
The JetFormBuilder plugin for WordPress is vulnerable to arbitrary file read via path traversal in all versions up to, and including, 3.5.6.2. This is due to the 'Uploaded_File::set_from_array' method accepting user-supplied file paths fro…
EPSS: 0.002 (36.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/1801fd3e-d56f-4540-9700-9e9de…
- plugins.trac.wordpress.org/browser/jetformbuilder/tags/3.5.6.2/includes/classes…
- plugins.trac.wordpress.org/browser/jetformbuilder/tags/3.5.6.2/modules/block-pa…
- plugins.trac.wordpress.org/browser/jetformbuilder/tags/3.5.6.2/modules/actions-…
- plugins.trac.wordpress.org/changeset/3486996/jetformbuilder
Frequently asked questions
- What is CVE-2026-4373?
- CVE-2026-4373 is a high-severity vulnerability in Jetmonsters Jetformbuilder — Dynamic Blocks Form Builder, classified under Absolute Path Traversal. CVSS score: 7.5/10. Published 2026-03-21.
- How severe is CVE-2026-4373?
- High severity. CVSS v3 base score is 7.5 out of 10.