What the vulnerability does
01Description
The Easy SVG Support plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG file uploads in all versions up to, and including, 4.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses the SVG file.
Explanation of Vulnerability in Simple Terms
02Summary
Easy SVG Support versions 4.0 and earlier contain a cross-site scripting vulnerability in how SVG content is processed. An attacker with high-level site privileges can inject malicious scripts that execute in other users' browsers when they view affected pages. The vulnerability requires specific conditions to exploit and has limited impact scope.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that run in other users' browsers when they view SVG content.
Potential impact on your site
04Site Impact
Administrators with malicious intent can compromise other users' sessions or steal their data via injected scripts.
Conditions required to exploit
05Prerequisites
Attacker must have high-level site privileges (administrator or equivalent role).
Key dates
06Disclosure timeline
February 19, 2026
CVE published
April 8, 2026
Record updated