What the vulnerability does
01Description
The MapSVG plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG File uploads in all versions up to, and including, 8.6.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-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
MapSVG versions 8.6.4 and earlier allow authenticated users to upload files without proper validation. An attacker with low-level access can upload malicious files that may affect other users or the site's integrity. The vulnerability requires valid login credentials but no special privileges.
What an attacker can do
03Attacker Capabilities
Upload files without proper validation to affect site integrity or other users.
Potential impact on your site
04Site Impact
Malicious files uploaded by compromised or rogue user accounts could alter site content or affect other users.
Conditions required to exploit
05Prerequisites
Attacker must have a valid user account with low-level privileges; no user interaction required.
Key dates
06Disclosure timeline
May 22, 2025
CVE published
April 8, 2026
Record updated