CVE-2021-24797: Tickera

Medium severity, CVSS 6.1. EPSS: 1.2% chance of exploitation in the next 30 days.

The Tickera WordPress plugin before 3.4.8.3 does not properly sanitise and escape the Name fields of booked Events before outputting them in the Orders admin dashboard, which could allow unauthenticated users to perform Cross-Site Scripting attacks against admins.

Affected products

• Tickera Tickera: before 3.4.8.3 (fixed in 3.4.8.3)

Published 2021-12-27. Last modified 2026-06-17.