Medium severity4.8NVD Advisory· Published Feb 12, 2026· Updated Apr 15, 2026

CVE-2026-1356

Description

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.

AI Insight

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Patches

Vulnerability mechanics

References

plugins.trac.wordpress.org/changeset/3445904/webp-converter-for-medianvd
www.wordfence.com/threat-intel/vulnerabilities/id/188d812c-2955-4b0c-ae1c-b42c0f60b73bnvd

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