What the vulnerability does
01Description
The WPBookit plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'wpb_user_name' and 'wpb_user_email' parameters in all versions up to, and including, 1.0.8 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Explanation of Vulnerability in Simple Terms
02Summary
WPBookit versions 1.0.8 and earlier contain a cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts into the site. The vulnerability affects all visitors and can impact site integrity. No user interaction is required for exploitation. Update to a version newer than 1.0.8 to resolve this issue.
What an attacker can do
03Attacker Capabilities
Inject malicious JavaScript that executes in visitors' browsers and affects site functionality.
Potential impact on your site
04Site Impact
Visitors' browsers can be compromised; site functionality and data integrity may be affected.
Conditions required to exploit
05Prerequisites
Network access only; no authentication or user interaction required.
Key dates
06Disclosure timeline
March 4, 2026
CVE published
April 8, 2026
Record updated