CVE-2026-1356

MediumCVSS 4.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 4.8/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Feb 12, 2026
Last modified
Jun 17, 2026
NVD status
Deferred

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CVE-2026-1356: Medium severity, CVSS 4.8 | Vulnix