CVE-2026-24530 MEDIUM

CVE-2026-24530: WordPress WebP Conversion plugin <= 2.2 - Broken Access Control vulnerability

Vendor Sheepfish
Product WebP Conversion
Weakness CWE-862 · Missing authorization
Published January 23, 2026
Last update April 28, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in sheepfish WebP Conversion webp-conversion allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WebP Conversion: from n/a through <= 2.2.

Explanation of Vulnerability in Simple Terms

02Summary

WebP Conversion versions 2.2 and earlier lack proper access controls, allowing unauthenticated attackers to trigger a denial-of-service condition over the network. No user interaction is required. The vulnerability does not affect data confidentiality or integrity, only service availability.

What an attacker can do

03Attacker Capabilities

Make the service unavailable by sending network requests without authentication.

Potential impact on your site

04Site Impact

Service disruptions if WebP Conversion is used in production; attackers can degrade availability without credentials.

Conditions required to exploit

05Prerequisites

Network access to the affected system; no authentication or user interaction required.

Key dates

06Disclosure timeline

January 23, 2026 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE