CVE-2026-89303

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 any authenticated user to perform SQL injection attacks.

  • Published Sep 28, 2026
  • CVSS 6.4 medium
  • 0.1% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-89303 at the National Vulnerability Database