CVE-2026-39640 CRITICAL

CVE-2026-39640: WordPress Theme Editor plugin <= 3.2 - Cross Site Request Forgery (CSRF) to Remote Code Execution vulnerability

Vendor Mndpsingh287
Product Theme Editor
Weakness CWE-352 · CSRF
Published April 8, 2026
Last update April 29, 2026

CVSS base score

9.6/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Explanation of Vulnerability in Simple Terms

02Summary

Theme Editor versions 3.2 and earlier are vulnerable to cross-site request forgery (CSRF) attacks. An attacker can craft a malicious webpage that, when visited by a logged-in site administrator, performs unauthorized actions on the site without the admin's knowledge or consent. The attack requires the victim to visit the attacker's page while authenticated. Successful exploitation can lead to data theft, site modification, or account compromise.

What an attacker can do

03Attacker Capabilities

Perform unauthorized actions on the site by tricking an authenticated admin into visiting a malicious webpage.

Potential impact on your site

04Site Impact

An attacker can modify site content, steal data, or compromise admin accounts without the site owner's knowledge.

Conditions required to exploit

05Prerequisites

Victim must be logged in to the site and visit an attacker-controlled webpage.

Key dates

06Disclosure timeline

April 8, 2026 CVE published
April 29, 2026 Record updated

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