Critical · published April 10, 2024
CVSS calls it critical at 10.0. It sits in the 99.7th percentile for exploit probability.
🔥 A crafty title change is all it takes for remote code execution in XWiki! 🚨 Any user who can edit a space title can unleash Groovy code, making this a critical concern for all installations. Think of it like a restaurant where anyone can change the name of the menu items. If they can sneak in a wild ingredient in the title, they can alter the dish itself without anyone noticing, potentially ruining meals for everyone! An attacker could twist the title into a malicious command, executing any Groovy code they desire within your XWiki installation. This opens the door to a horrifying situation where the confidentiality, integrity, and availability of all your wiki data are at serious risk. The potential fallout? Data leaks, unauthorized modifications, or even a complete takeover of your XWiki environment!
Think of it like a restaurant where anyone can change the name of the menu items. If they can sneak in a wild ingredient in the title, they can alter the dish itself without anyone noticing, potentially ruining meals for everyone! This vulnerability arises from a flaw in the way XWiki processes document titles, allowing users to inject and execute arbitrary Groovy code in the Solr-based search system simply by editing a document's title.
An attacker could twist the title into a malicious command, executing any Groovy code they desire within your XWiki installation. This opens the door to a horrifying situation where the confidentiality, integrity, and availability of all your wiki data are at serious risk. The potential fallout? Data leaks, unauthorized modifications, or even a complete takeover of your XWiki environment! To fix this, update your XWiki to version 14.10.20, 15.5.4, or 15.10-rc-1. If you can't upgrade right away, manually apply the patch to the `Main.SolrSpaceFacet` page to safeguard against this vulnerability. Don't wait too long – your security is paramount! You've got this! With these steps, you're on your way to reinforcing your XWiki fortress! 🛡️