What the vulnerability does
01Description
The EchBay Admin Security plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the '_ebnonce' parameter in all versions up to, and including, 1.3.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
Explanation of Vulnerability in Simple Terms
02Summary
EchBay Admin Security versions 1.3.0 and earlier contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into the application. The vulnerability requires user interaction—typically clicking a malicious link—and can affect other users or administrators viewing the compromised content. The impact is limited to data theft or session hijacking rather than server compromise.
What an attacker can do
03Attacker Capabilities
Inject malicious JavaScript that runs in other users' browsers when they visit a crafted link.
Potential impact on your site
04Site Impact
Attackers can steal admin session cookies, deface content, or redirect users to phishing sites.
Conditions required to exploit
05Prerequisites
No authentication required. Victim must click a malicious link or visit an attacker-controlled page.
Key dates
06Disclosure timeline
November 21, 2025
CVE published
April 8, 2026
Record updated