Medium severity4.3NVD Advisory· Published Dec 17, 2025· Updated Apr 15, 2026

CVE-2025-13750

Description

The Converter for Media – Optimize images | Convert WebP & AVIF plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the /webp-converter/v1/regenerate-attachment REST endpoint in all versions up to, and including, 6.3.2. This makes it possible for authenticated attackers, with Subscriber-level access and above, to delete optimized WebP/AVIF variants for arbitrary attachments.

Affected products

WordPress/Webp Converter For Mediainferred
Range: <=6.3.2
Package: https://wordpress.org/plugins/webp-converter-for-media
Converter for Media/Converter for Media – Optimize images | Convert WebP & AVIFllm-create
Range: <=6.3.2

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

plugins.trac.wordpress.org/changeset/3414745/webp-converter-for-medianvd
www.wordfence.com/threat-intel/vulnerabilities/id/9a31190f-e2ed-46ee-a224-85a0a003738dnvd

News mentions

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