Critical · published June 23, 2023
🚨 Crafty URLs are the route to chaos here! A simple crafted link can inject JavaScript, turning your wiki page into a playground for attackers. 🔥 Picture a restaurant menu where anyone can slip in their own secret ingredient — without anyone checking! This vulnerability lets attackers add malicious scripts right into your XWiki pages, just like a sneaky chef tampering with the specials. An attacker could exploit this to run any script they want on your page, potentially stealing sensitive data or spreading malware to all users visiting the affected site. The consequences could be absolutely devastating for your application's integrity, turning your trusted platform into a launching pad for all sorts of malicious activities.
Picture a restaurant menu where anyone can slip in their own secret ingredient — without anyone checking! This vulnerability lets attackers add malicious scripts right into your XWiki pages, just like a sneaky chef tampering with the specials. This vulnerability allows an attacker to craft a URL that executes JavaScript on the page via an XSS flaw in the DeleteApplication endpoint of XWiki, starting from version 6.2-milestone-1. By utilizing a specially formatted redirect, the attacker can inject their own scripts into the page.
An attacker could exploit this to run any script they want on your page, potentially stealing sensitive data or spreading malware to all users visiting the affected site. The consequences could be absolutely devastating for your application's integrity, turning your trusted platform into a launching pad for all sorts of malicious activities. To remediate, patch your XWiki installation immediately to version 14.10.5 or 15.1-rc-1. Additionally, review and sanitize any user inputs to prevent similar injection attacks in the future. Conduct a thorough audit of your applications built on XWiki to ensure no other vulnerabilities are lurking! You've got this! With a quick update, you can secure your XWiki and keep your users safe! 🛡️