CVE-2026-14334

High

Description

The Booking calendar, Appointment Booking System WordPress plugin through 3.2.36 does not properly sanitize uploaded SVG files, allowing unauthenticated attackers to upload a file that bypasses the Booking calendar, Appointment Booking System WordPress plugin through 3.2.36's script-stripping and executes arbitrary JavaScript when the SVG is opened, including in the session of an administrator who reviews the submitted booking.

SeverityHigh
CVSS8.8
Exploit probability—
ProductBooking calendar, Appointment Booking System
PublishedAug 19, 2026
First seenAug 19, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
Booking calendar, Appointment Booking System3.2.18 ≤ v ≤ 3.2.36—

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