Critical · published February 21, 2024
🚨 A crafty filename twist turns your Message Board into a playground for XSS attacks! 🔥 Think of it like a trusted delivery person who, instead of checking the contents, just delivers any package based on the label. If that label has a nasty surprise, it could lead to chaos! An attacker could inject malicious scripts that run in the context of the victim's browser, stealing sensitive data, hijacking sessions, or defacing the site. This is absolutely devastating for user trust and can lead to widespread exploitation if not addressed. Don't let your community become an unwitting accomplice!
Think of it like a trusted delivery person who, instead of checking the contents, just delivers any package based on the label. If that label has a nasty surprise, it could lead to chaos! This stored XSS vulnerability in Liferay Portal allows authenticated users to inject arbitrary HTML or scripts via the filename of attachments. This means that whenever someone views that file, the injected script runs, with potentially dire consequences.
An attacker could inject malicious scripts that run in the context of the victim's browser, stealing sensitive data, hijacking sessions, or defacing the site. This is absolutely devastating for user trust and can lead to widespread exploitation if not addressed. Don't let your community become an unwitting accomplice! Immediately update Liferay Portal to version 7.4.3 or later to close this hole. For Liferay DXP users, make sure you're on service pack 3 for 7.3 or fix pack 17 for 7.2. Conduct a thorough audit of user-uploaded files to mitigate risks from previously injected scripts. You've got this! With these steps, you'll be locking down your portal in no time. 🛡️