CVE-2021-24646: Bookingholdings Booking.com Banner Creator

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

The Booking.com Banner Creator WordPress plugin before 1.4.3 does not properly sanitize inputs when creating banners, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

Affected products

• Bookingholdings Booking.com Banner Creator: before 1.4.3 (fixed in 1.4.3)

Published 2021-11-08. Last modified 2026-06-17.