CVE-2025-30974: Addonmaster Post Grid Master

High severity, CVSS 8.8. EPSS: 0.3% chance of exploitation in the next 30 days.

Missing Authorization vulnerability in Akhtarujjaman Shuvo Post Grid Master ajax-filter-posts allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Post Grid Master: from n/a through <= 3.4.17.

Affected products

• Addonmaster Post Grid Master: up to and including 3.4.13

Published 2025-06-06. Last modified 2026-06-17.