What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in wpdevart Booking calendar, Appointment Booking System booking-calendar allows Stored XSS.This issue affects Booking calendar, Appointment Booking System: from n/a through <= 3.2.36.
Explanation of Vulnerability in Simple Terms
02Summary
The Booking Calendar plugin for WordPress contains a cross-site scripting (XSS) vulnerability in versions up to 3.2.36. An attacker can inject malicious scripts that execute in visitors' browsers when they interact with booking forms or calendar pages. The vulnerability requires user interaction and can affect multiple users across the site. Update to a version newer than 3.2.36 to resolve this issue.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that run in visitors' browsers when they view or interact with booking pages.
Potential impact on your site
04Site Impact
Visitors' browsers can be compromised; attackers may steal session cookies, redirect users, or deface booking forms.
Conditions required to exploit
05Prerequisites
No authentication required. Victim must visit a page containing the vulnerable booking calendar or form.
Key dates
06Disclosure timeline
March 25, 2026
CVE published
April 28, 2026
Record updated