What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Bookly Bookly bookly-responsive-appointment-booking-tool allows Reflected XSS.This issue affects Bookly: from n/a through <= 26.7.
Explanation of Vulnerability in Simple Terms
02Summary
Bookly versions up to 26.7 contain a cross-site scripting vulnerability that allows attackers to inject malicious scripts into the application. An attacker can craft a malicious link or page that, when visited by a user, executes arbitrary JavaScript in their browser. This can lead to session hijacking, credential theft, or unauthorized actions performed on behalf of the victim.
What an attacker can do
03Attacker Capabilities
Inject and execute malicious JavaScript in a user's browser to steal session data or perform unauthorized actions.
Potential impact on your site
04Site Impact
Users visiting Bookly pages can have their sessions compromised or be tricked into performing unintended actions.
Conditions required to exploit
05Prerequisites
Attacker must trick a user into clicking a malicious link or visiting a compromised page (user interaction required).
Key dates
06Disclosure timeline
March 25, 2026
CVE published
April 29, 2026
Record updated