Auth bypass in Colbeinformatik Katalogportal-pdf-sync Widget
CVE-2026-3649
The Katalogportal PDF Sync plugin for WordPress is vulnerable to Missing Authorization in all versions up to and including 1.0.0. The katalogportal_popup_shortcode() function is registered as an AJAX handler via wp_ajax_katalogportal_short…
Vulnerability class: Broken Access Control
EPSS: 0.000 (14.4th 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:L/I:N/A:N.
Affected products
- Colbeinformatik Katalogportal-pdf-sync Widget — versions 0
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/a01e7b21-f3ff-42a8-b78a-ad699…
- plugins.trac.wordpress.org/browser/katalogportal-pdf-sync/trunk/inc/class.admin…
- plugins.trac.wordpress.org/browser/katalogportal-pdf-sync/tags/1.0.0/inc/class…
- plugins.trac.wordpress.org/browser/katalogportal-pdf-sync/trunk/inc/class.admin…
- plugins.trac.wordpress.org/browser/katalogportal-pdf-sync/tags/1.0.0/inc/class…
Frequently asked questions
- What is CVE-2026-3649?
- CVE-2026-3649 is a medium-severity vulnerability in Colbeinformatik Katalogportal-pdf-sync Widget, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-04-15.
- How severe is CVE-2026-3649?
- Medium severity. CVSS v3 base score is 5.3 out of 10.