High · published December 9, 2025
⚡ An authenticated attacker can upload a rogue ZIP/PHP file and potentially take over your LeptonCMS installation! Think of it like a restaurant where the chef has a secret menu but doesn’t check the ingredients. If a sneaky diner walks in with a list of dangerous ingredients, they could cook up a disaster in the kitchen without anyone noticing! If exploited, an attacker could run any code they want on your server, leading to data loss, unauthorized access, or even a full site compromise. This is absolutely devastating as it puts your entire site and its data at serious risk!
Think of it like a restaurant where the chef has a secret menu but doesn’t check the ingredients. If a sneaky diner walks in with a list of dangerous ingredients, they could cook up a disaster in the kitchen without anyone noticing! This arbitrary file upload vulnerability in LeptonCMS version 7.3.0 stems from improper validation of uploaded files, allowing an attacker to upload malicious PHP code disguised within a ZIP file.
If exploited, an attacker could run any code they want on your server, leading to data loss, unauthorized access, or even a full site compromise. This is absolutely devastating as it puts your entire site and its data at serious risk! To protect your site, patch to LeptonCMS version 7.3.1 immediately! Additionally, implement stringent file validation checks to ensure only safe, permitted file types are uploaded. Don't forget to review your server configurations! You've got this! Follow these steps to safeguard your site and keep those pesky attackers at bay! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| lepton-cms/leptoncms | all versions | — |