CVE-2021-36847: Webba-Booking Webba Booking

Medium severity, CVSS 4.8. EPSS: 0.6% chance of exploitation in the next 30 days.

Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in WebbaPlugins Webba Booking plugin <= 4.2.21 at WordPress.

Affected products

• Webba-Booking Webba Booking: before 4.2.22 (fixed in 4.2.22)

Published 2022-08-22. Last modified 2026-06-17.