What the vulnerability does
01Description
The WP Event Manager – Events Calendar, Registrations, Sell Tickets with WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘tag-name’ parameter in all versions up to, and including, 3.1.49 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
Explanation of Vulnerability in Simple Terms
02Summary
WP Event Manager contains a cross-site scripting (XSS) vulnerability in versions up to 3.1.49. An authenticated administrator with high privileges can inject malicious scripts that execute in other users' browsers, potentially affecting site scope. The vulnerability requires specific attack conditions and does not allow data theft or site disruption, but can compromise user sessions or redirect visitors.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that run in other users' browsers when they view affected pages.
Potential impact on your site
04Site Impact
Administrators can be tricked into running malicious code affecting other site users and potentially the site's integrity.
Conditions required to exploit
05Prerequisites
Attacker must be authenticated as a high-privilege administrator; no user interaction required from victims.
Key dates
06Disclosure timeline
July 16, 2025
CVE published
April 8, 2026
Record updated
