CVE-2026-91024: Unknown Booking Manager

Medium severity, CVSS 6.8. EPSS: 0.2% chance of exploitation in the next 30 days.

The Booking Manager WordPress plugin before 2.1.21 does not sanitize and escape values taken from a fetched external iCalendar feed before using them in a SQL query, allowing authenticated users with Author-level access and above to perform SQL injection attacks by importing a feed they control.

Affected products

• Unknown Booking Manager: before 2.1.21 (fixed in 2.1.21)

Published 2026-09-23. Last modified 2026-09-23.