CVE-2024-30481 MEDIUM

CVE-2024-30481: WordPress JCH Optimize plugin <= 4.0.0 - Broken Access Control vulnerability

Vendor Samuel Marshall
Product JCH Optimize
Published June 9, 2024
Last update April 28, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Broken Access Control vulnerability in Samuel Marshall JCH Optimize.This issue affects JCH Optimize: from n/a through 4.0.0.

Explanation of Vulnerability in Simple Terms

02Summary

JCH Optimize through version 4.0.0 contains an integrity vulnerability allowing authenticated users with low privileges to modify data they should not have access to. The vulnerability requires network access and no user interaction beyond the attacker's own actions. No confidentiality or availability impact occurs. Site administrators should update to a version newer than 4.0.0.

What an attacker can do

03Attacker Capabilities

Modify or corrupt data on the site that the attacker should not have permission to change.

Potential impact on your site

04Site Impact

Unauthorized data modification by low-privilege users; data integrity compromised without site downtime.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege account on the site; network access to the site.

Key dates

06Disclosure timeline

June 9, 2024 CVE published
April 28, 2026 Record updated