High · published January 24, 2026
⚡ A low-privileged user can upload any file they want! The Hustle plugin for WordPress has a sneaky flaw in its file type validation that allows this shocking access. 🔥 Think of it like a restaurant that lets anyone in, but only gives certain people the kitchen key. If those people don’t check the ingredients before letting someone in, they could be serving anything, including some toxic dishes! An attacker could exploit this vulnerability to upload malicious files that could then be executed on the server. This means they could hijack the site, steal sensitive data, or even take complete control of the server. It’s a recipe for disaster!
Think of it like a restaurant that lets anyone in, but only gives certain people the kitchen key. If those people don’t check the ingredients before letting someone in, they could be serving anything, including some toxic dishes! The vulnerability exists due to improper file type validation in the action_import_module() function of the Hustle plugin, allowing authenticated users with lower privileges to upload arbitrary files to the server.
An attacker could exploit this vulnerability to upload malicious files that could then be executed on the server. This means they could hijack the site, steal sensitive data, or even take complete control of the server. It’s a recipe for disaster! To secure your site, immediately update the Hustle plugin to version 7.8.9.3 or later. Review user permissions and restrict access to the Hustle admin page to trusted users only. Additionally, ensure file upload validations are correctly enforced. You've got this! Fixing this vulnerability will boost your site's security in no time! 🛡️