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.

INFO

Published Date :

2026-02-12T09:25:49.034Z

Last Modified :

2026-04-08T16:37:38.490Z

Source :

Wordfence
AFFECTED PRODUCTS

The following products are affected by CVE-2026-1356 vulnerability.

Vendors Products
Mateuszgbiorczyk
  • Converter For Media – Optimize Images | Convert Webp & Avif
Wordpress
  • Wordpress
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-1356.

URL Resource
https://plugins.trac.wordpress.org/changeset/3445904/webp-converter-for-media cve-icon cve-icon
https://www.wordfence.com/threat-intel/vulnerabilities/id/188d812c-2955-4b0c-ae1c-b42c0f60b73b?source=cve cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact