CVE-2023-25491 MEDIUM

CVE-2023-25491: WordPress JCH Optimize Plugin <= 3.2.2 is vulnerable to Cross Site Scripting (XSS)

Vendor Samuel Marshall

Product JCH Optimize

Weakness CWE-79 · XSS

Published May 6, 2023

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

5.9/10

Attack vector Network

Attack complexity Low

Privileges required High

User interaction Required

Confidentiality Low

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

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

Explanation of Vulnerability in Simple Terms

02Summary

JCH Optimize through version 3.2.2 contains a cross-site scripting (XSS) vulnerability that allows authenticated administrators to inject malicious scripts. The vulnerability requires user interaction—typically clicking a crafted link—and affects the integrity and confidentiality of site data. Site owners should update to a version newer than 3.2.2.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that execute in users' browsers when they visit affected pages.

Potential impact on your site

04Site Impact

Administrators can be tricked into executing scripts that compromise site data or user sessions.

Conditions required to exploit

05Prerequisites

Administrator account access and victim must click a malicious link or visit a crafted page.

Key dates

06Disclosure timeline

May 6, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-25491 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

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