CVE-2026-89302: Unknown Post Voting System

High severity, CVSS 8.6. EPSS: 0.3% chance of exploitation in the next 30 days.

The Post Voting System WordPress plugin through 1.0 does not properly sanitize and escape a parameter before using it in a SQL query, allowing unauthenticated users to perform SQL injection attacks.

Affected products

• Unknown Post Voting System: up to and including 1.0

Published 2026-10-11. Last modified 2026-10-13.