What the vulnerability does
01Description
The Envolve Plugin plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'zetra_languageUpload' and 'zetra_fontsUpload' functions in all versions up to, and including, 1.0. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.
Explanation of Vulnerability in Simple Terms
02Summary
The Envolve Plugin for ThemeKalia contains an unrestricted file upload vulnerability affecting versions 1.0 and earlier. An attacker can upload arbitrary files to the site without authentication or user interaction. This allows execution of malicious code, data theft, and site takeover. Update to a version newer than 1.0 immediately.
What an attacker can do
03Attacker Capabilities
Upload and execute arbitrary files on your site, including malicious code.
Potential impact on your site
04Site Impact
Complete site compromise: attackers can run code, steal data, modify content, or take the site offline.
Conditions required to exploit
05Prerequisites
Network access only; no authentication or user action required.
Key dates
06Disclosure timeline
May 9, 2025
CVE published
April 8, 2026
Record updated