CVE-2026-11875: Unknown Wp Support Plus Responsive Ticket System

Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days.

The WP Support Plus Responsive Ticket System WordPress plugin through 9.1.2 does not sign or verify its guest-session cookie, allowing unauthenticated attackers to forge it and impersonate any ticket owner (identified by email address) to read, reply to, and close that person's support tickets.

Affected products

• Unknown Wp Support Plus Responsive Ticket System: up to and including 9.1.2

Published 2026-07-09. Last modified 2026-07-09.