Critical · published April 10, 2024
🔥 A crafty attacker can execute remote code just by tampering with PDF export templates in XWiki based on versions before 4.10.20! Think of it as a restaurant where the chef leaves the kitchen door wide open; anyone can stroll in, change the menu, or even cook something dangerous without being noticed! 🍽️ This vulnerability could allow an attacker to run arbitrary commands on the server, leading to potential data breaches, unauthorized access, or even complete system compromise. The fallout from such an intrusion could be absolutely devastating, making this a top priority for administrators!
Think of it as a restaurant where the chef leaves the kitchen door wide open; anyone can stroll in, change the menu, or even cook something dangerous without being noticed! 🍽️ XWiki Platform versions 3.0.1 up to 4.10.20, 15.5.4, and 15.10-rc-1 have a flaw in how they handle PDF export templates, allowing remote code execution when manipulated. An attacker could exploit this to execute malicious code directly on the server.
This vulnerability could allow an attacker to run arbitrary commands on the server, leading to potential data breaches, unauthorized access, or even complete system compromise. The fallout from such an intrusion could be absolutely devastating, making this a top priority for administrators! To lock this down, upgrade your XWiki to versions 14.10.20, 15.5.4, or 15.10-rc-1 immediately. If PDF templates are not essential, consider creating the `XWiki.PDFClass` document and blocking its edition after ensuring it doesn’t include a `style` attribute. Don't wait! You've got this! Follow these steps to protect your XWiki and keep your data safe! 🛡️