---
id: CVE-2025-13750
title: >-
  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 …
summary: >-
  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 …
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'
cwe:
  - CWE-862
published: '2025-12-17'
updated: '2026-09-28'
sourceUpdated: '2026-09-28T10:10:00.473'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-13750'
references:
  - url: >-
      https://plugins.trac.wordpress.org/changeset/3414745/webp-converter-for-media
    label: security@wordfence.com
  - url: >-
      https://www.wordfence.com/threat-intel/vulnerabilities/id/9a31190f-e2ed-46ee-a224-85a0a003738d?source=cve
    label: security@wordfence.com
tags:
  - nvd
epss: 0.00264
epssPercentile: 0.16443
ingestedAt: '2026-09-28T11:08:06.661Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.