Auth bypass in Pr-gateway Blog2social: Social Media Auto Post & Scheduler
CVE-2026-4331
The Blog2Social: Social Media Auto Post & Scheduler plugin for WordPress is vulnerable to unauthorized data loss in all versions up to, and including, 8.8.2. This is due to the resetSocialMetaTags() function only verifying that the user ha…
Vulnerability class: Broken Access Control
EPSS: 0.001 (19.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
Affected products
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/7dc46bc4-ecfb-438f-b951-7b957…
- plugins.trac.wordpress.org/browser/blog2social/trunk/includes/Ajax/Post.php
- plugins.trac.wordpress.org/browser/blog2social/tags/8.8.2/includes/Ajax/Post.php
- plugins.trac.wordpress.org/browser/blog2social/trunk/includes/Ajax/Post.php
- plugins.trac.wordpress.org/browser/blog2social/tags/8.8.2/includes/Ajax/Post.php
- plugins.trac.wordpress.org/browser/blog2social/trunk/includes/Ajax/Post.php
- plugins.trac.wordpress.org/browser/blog2social/tags/8.8.2/includes/Ajax/Post.php
- plugins.trac.wordpress.org/browser/blog2social/trunk/includes/Loader.php
- plugins.trac.wordpress.org/browser/blog2social/tags/8.8.2/includes/Loader.php
- plugins.trac.wordpress.org/browser/blog2social/tags/8.8.3/includes/Ajax/Post.php
Frequently asked questions
- What is CVE-2026-4331?
- CVE-2026-4331 is a medium-severity vulnerability in Pr-gateway Blog2social: Social Media Auto Post & Scheduler, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-03-26.
- How severe is CVE-2026-4331?
- Medium severity. CVSS v3 base score is 4.3 out of 10.