CVE-2026-39640
Received Received - Intake
CSRF Vulnerability in mndpsingh287 Theme Editor Enables Code Injection

Publication date: 2026-04-08

Last updated on: 2026-04-14

Assigner: Patchstack

Description
Cross-Site Request Forgery (CSRF) vulnerability in mndpsingh287 Theme Editor theme-editor allows Code Injection.This issue affects Theme Editor: from n/a through <= 3.2.
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Meta Information
Published
2026-04-08
Last Modified
2026-04-14
Generated
2026-06-16
AI Q&A
2026-04-08
EPSS Evaluated
2026-06-14
NVD
CVE-2026-39640
EUVD
EUVD-2026-20300
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
mndpsingh287 theme_editor to 3.2 (inc)
patchstack theme_editor to 3.2 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-352 The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor.
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Compliance Impact

The provided information does not specify how the CVE-2026-39640 vulnerability impacts compliance with common standards and regulations such as GDPR or HIPAA.

Detection Guidance

The provided information does not include specific detection methods or commands to identify the presence or exploitation of the CVE-2026-39640 vulnerability on a network or system.

Executive Summary

CVE-2026-39640 is a Cross-Site Request Forgery (CSRF) vulnerability found in the WordPress Theme Editor Plugin versions up to and including 3.2.

This vulnerability allows attackers to trick privileged users into performing unwanted actions while they are authenticated. This can happen if the user clicks on malicious links, visits crafted web pages, or submits malicious forms.

The attack requires user interaction and a privileged user role to be successful. It is classified under OWASP Top 10 A1: Broken Access Control and specifically identified as a CSRF issue.

Impact Analysis

This vulnerability can lead to remote code execution by exploiting the Theme Editor plugin, allowing attackers to execute unwanted actions on your WordPress site if a privileged user is tricked into interacting with malicious content.

Although exploitation requires user interaction and a privileged user, the vulnerability has a high CVSS score of 9.6, indicating a significant risk and potential for mass exploitation campaigns targeting many websites.

If exploited, attackers could inject malicious code into your site, potentially compromising site integrity, security, and functionality.

Immediate mitigation involves updating the affected plugin or seeking assistance from your hosting provider or web developer if an update is not available.

Mitigation Strategies

The immediate mitigation involves updating the affected Theme Editor plugin to a version newer than 3.2 if such an update becomes available.

If updating is not possible, users are advised to seek assistance from their hosting provider or web developer to implement protective measures.

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