What the vulnerability does
01Description
The S2B AI Assistant – ChatBot, ChatGPT, OpenAI, Content & Image Generator plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the storeFile() function in all versions up to, and including, 1.7.8. This makes it possible for authenticated attackers, with Editor-level access and above, 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 S2B AI Assistant plugin contains an unrestricted file upload vulnerability affecting versions up to 1.7.8. An authenticated administrator can upload arbitrary files to the server without validation, potentially allowing them to run malicious code or compromise the site. The vulnerability requires high-level privileges but poses a significant risk if an admin account is compromised or misused.
What an attacker can do
03Attacker Capabilities
Upload arbitrary files to the server and execute malicious code if they have admin access.
Potential impact on your site
04Site Impact
A compromised or malicious admin account could upload files to take over your site or steal data.
Conditions required to exploit
05Prerequisites
Attacker must have administrator-level privileges on the site.
Key dates
06Disclosure timeline
November 21, 2025
CVE published
April 8, 2026
Record updated