Auth bypass in Punnel – Landing Page Builder
CVE-2026-3645
The Punnel – Landing Page Builder plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 1.3.1. The save_config() function, which handles the 'punnel_save_config' AJAX action, lacks any capability…
Vulnerability class: Broken Access Control
EPSS: 0.001 (20.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Punnel – Landing Page Builder — versions 0
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/b6f54ca4-297f-44e8-8bb3-25cdc…
- plugins.trac.wordpress.org/browser/punnel-landing-page-builder/trunk/punnel.php
- plugins.trac.wordpress.org/browser/punnel-landing-page-builder/tags/1.3.1/punne…
- plugins.trac.wordpress.org/browser/punnel-landing-page-builder/trunk/punnel.php
- plugins.trac.wordpress.org/browser/punnel-landing-page-builder/tags/1.3.1/punne…
- plugins.trac.wordpress.org/browser/punnel-landing-page-builder/trunk/punnel.php
- plugins.trac.wordpress.org/browser/punnel-landing-page-builder/tags/1.3.1/punne…
- plugins.trac.wordpress.org/browser/punnel-landing-page-builder/trunk/punnel.php
- plugins.trac.wordpress.org/browser/punnel-landing-page-builder/tags/1.3.1/punne…
- plugins.trac.wordpress.org/browser/punnel-landing-page-builder/trunk/punnel.php
Frequently asked questions
- What is CVE-2026-3645?
- CVE-2026-3645 is a medium-severity vulnerability in Punnel – Landing Page Builder, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-03-21.
- How severe is CVE-2026-3645?
- Medium severity. CVSS v3 base score is 5.3 out of 10.