Critical · published June 20, 2023
CVSS calls it critical at 10.0. It sits in the 99.2th percentile for exploit probability.
🚨 A crafty tip UI extension can turn a simple wiki page into a weapon! An attacker with the right permissions can execute any content at will. 🔥 Think of it like a restaurant where patrons can write suggestions for the chef. If the chef doesn’t check those suggestions, someone could slip in a recipe for disaster instead of dessert! In this case, an attacker could completely compromise the server by executing malicious code. They could manipulate data, alter configurations, or even take control of the entire system, leading to an absolute breakdown of trust in the wiki environment!
Think of it like a restaurant where patrons can write suggestions for the chef. If the chef doesn’t check those suggestions, someone could slip in a recipe for disaster instead of dessert! This vulnerability allows an attacker to execute arbitrary wiki content with the author's privileges by exploiting a flaw in the TipsPanel UI extension. It essentially lets bad actors run code they shouldn't have access to, escalating their permissions sneakily.
In this case, an attacker could completely compromise the server by executing malicious code. They could manipulate data, alter configurations, or even take control of the entire system, leading to an absolute breakdown of trust in the wiki environment! Patch your XWiki to versions 15.1-rc-1 or 14.10.5 immediately to close this gap. It's also wise to review your user permissions and ensure that only trusted users have access to create UI extensions. 🛡️ You've got this! Act now to secure your XWiki, and you'll keep your platform safe and sound. 💪✨