What the vulnerability does
01Description
The Attachments Handler plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via URL in all versions up to, and including, 1.1.7 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
Attachments Handler versions 1.1.7 and earlier contain a cross-site scripting (XSS) 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 the victim's browser. This can lead to session hijacking, credential theft, or malware distribution.
What an attacker can do
03Attacker Capabilities
Inject and execute malicious JavaScript in a user's browser to steal session data or credentials.
Potential impact on your site
04Site Impact
Users visiting crafted links could have their sessions compromised or credentials stolen, potentially leading to account takeover.
Conditions required to exploit
05Prerequisites
Attacker must trick a user into visiting a malicious link or page (user interaction required). No authentication needed.
Key dates
06Disclosure timeline
December 20, 2025
CVE published
April 8, 2026
Record updated