High · published November 18, 2025
⚡ An unauthenticated attacker can upload their own files, and yes, that includes *malicious PHP scripts*! 🚨 Watch out if you're using Pie Forms for WP plugin versions up to 1.6. Think of it as a restaurant that lets customers slip in their own ingredients without checking them first — if they decide to sneak in something toxic, the result could be disastrous! This vulnerability could allow a malicious actor to execute arbitrary code on your server, potentially compromising your entire site. With the right file, they could take full control, access sensitive data, or wreak havoc on your WordPress instance — absolutely devastating!
Think of it as a restaurant that lets customers slip in their own ingredients without checking them first — if they decide to sneak in something toxic, the result could be disastrous! The Pie Forms for WP plugin suffers from inadequate file type validation in its format_classic function, allowing attackers to upload files with dangerous extensions like PHP, even though error messages are set for invalid types.
This vulnerability could allow a malicious actor to execute arbitrary code on your server, potentially compromising your entire site. With the right file, they could take full control, access sensitive data, or wreak havoc on your WordPress instance — absolutely devastating! To mitigate this risk, upgrade the Pie Forms for WP plugin to version 1.7 or later immediately. Also, consider implementing strict file type validation and uploading mechanisms on your server to further safeguard against unauthorized uploads. This is fixable! Follow these steps, and you'll have your site secure in no time! 🛡️