Path Traversal in Wpeverest Everest Forms – Contact Form, Payment Quiz, Survey & Custom Form Builder
CVE-2026-5478
The Everest Forms plugin for WordPress is vulnerable to Arbitrary File Read and Deletion in all versions up to, and including, 3.4.4. This is due to the plugin trusting attacker-controlled old_files data from public form submissions as leg…
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.001 (18.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/8641eb53-6a9a-4549-b8ef-e37ac…
- plugins.trac.wordpress.org/browser/everest-forms/tags/3.4.4/includes/abstracts/…
- plugins.trac.wordpress.org/browser/everest-forms/tags/3.4.4/includes/abstracts/…
- plugins.trac.wordpress.org/browser/everest-forms/tags/3.4.4/includes/abstracts/…
- plugins.trac.wordpress.org/changeset/3507814/everest-forms
Frequently asked questions
- What is CVE-2026-5478?
- CVE-2026-5478 is a high-severity vulnerability in Wpeverest Everest Forms – Contact Form, Payment Quiz, Survey & Custom Form Builder, classified under Path Traversal. CVSS score: 8.1/10. Published 2026-04-20.
- How severe is CVE-2026-5478?
- High severity. CVSS v3 base score is 8.1 out of 10.