CVE-2026-1356

The Converter for Media – Optimize images | Convert WebP & AVIF plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 6.5.1 via the PassthruLoader::load_image_source function. This makes it possible for unauthenticated attackers to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.

Score
CVSS 3.1 4.8 Medium
Status
Deferred - security@wordfence.com
Published
2026-02-12
Last modified
2026-04-08
Weaknesses
CWE-918

Affected products

References