Jch Optimize Vulnerabilities

The JCH Optimize plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to 6.0.1. This is due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that wi...

CVSS:

6.4

(Wordfence)

Affected:

up to 6.0.1

Fixed in:

6.0.1

Disclosed:

Sep 7, 2026

CVE-2026-84934 on NVD →

The JCH Optimize plugin for WordPress is vulnerable to Path Traversal in versions 4.2.1 through 5.0.0. This is due to insufficient validation of a user supplied path. This makes it possible for authenticated attackers, with administrator-level access and above, to access files and directories outside of the intended di...

CVSS:

4.9

(Wordfence)

Affected:

4.2.1 – 5.0.0

Fixed in:

5.0.1

Disclosed:

Sep 5, 2026

CVE-2025-15693 on NVD →

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

Affected:

up to 4.0.1

Fixed in:

4.0.1

Disclosed:

Jun 9, 2024

CVE-2024-30481 on NVD →

[en] Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Samuel Marshall JCH Optimize.This issue affects JCH Optimize: from n/a through 4.2.0.

Affected:

up to 4.2.1

Fixed in:

4.2.1

Disclosed:

May 16, 2024

CVE-2024-34808 on NVD →

The JCH Optimize plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 4.2.0. This makes it possible for authenticated attackers, with subscriber access and above, to access directory information on the Optimize Image page.

CVSS:

4.3

(Wordfence)

Affected:

up to 4.2.0

Fixed in:

4.2.1

Disclosed:

May 13, 2024

CVE-2024-34808 on NVD →

The JCH Optimize plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in versions up to, and including, 4.0.0. This makes it possible for authenticated attackers, with subscriber-level access and above, to perform an unauthorized action.

CVSS:

4.3

(Wordfence)

Affected:

up to 4.0.0

Fixed in:

4.0.1

Disclosed:

Mar 28, 2024

CVE-2024-30481 on NVD →

The JCH Optimize plugin for WordPress is vulnerable to unauthorized modification of data due to missing capability checks on the doAjaxConfigureSettings(), doAjaxOptimizeImages(), doAjaxOnClickIcon(), and doAjaxSmartCombine() functions in versions up to, and including, 4.0.0. This makes it possible for authenticated at...

CVSS:

4.3

(Wordfence)

Affected:

up to 4.0.1

Fixed in:

4.0.1

Disclosed:

Aug 8, 2023

The JCH Optimize plugin for WordPress is vulnerable to unauthorized modification of data due to missing capability checks on the doAjaxConfigureSettings(), doAjaxOptimizeImages(), doAjaxOnClickIcon(), and doAjaxSmartCombine() functions in versions up to, and including, 4.0.0. This makes it possible for authenticated at...

Affected:

up to 4.0.1

Fixed in:

4.0.1

Disclosed:

Aug 8, 2023

[en] Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Samuel Marshall JCH Optimize plugin <= 3.2.2 versions.

Affected:

up to 3.2.3

Fixed in:

3.2.3

Disclosed:

May 6, 2023

CVE-2023-25491 on NVD →

The JCH Optimize plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in versions up to, and including, 3.2.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers with administrator-level access, and above, to inject arbitrary web...

CVSS:

4.4

(Wordfence)

Affected:

up to 3.2.2

Fixed in:

3.2.3

Disclosed:

Mar 2, 2023

CVE-2023-25491 on NVD →