What’s Vulnerable › Vulnerabilities

CVE-2025-13750: Converter for Media <= 6.3.2 - Missing Authorization to Authenticated (Subscriber+) Optimized Image Deletion via regenerate-attachment REST Endpoint

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-17 · updated 2026-09-28
• Weakness: CWE-862

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

• mateuszgbiorczyk Converter for Media – Optimize images | Convert WebP & AVIF: through 6.3.2

References

• https://plugins.trac.wordpress.org/changeset/3414745/webp-converter-for-media
• https://www.wordfence.com/threat-intel/vulnerabilities/id/9a31190f-e2ed-46ee-a224-85a0a003738d?source=cve

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