Critical · published October 17, 2023
🚨 A sneaky XSS vulnerability is hiding in Liferay Portal that lets attackers inject malicious scripts through a single parameter! 🔥 Think of it like a restaurant's order form that allows guests to write anything they want without checking for allergies — one unchecked entry could endanger the whole dining experience! This reflected XSS vulnerability can lead to devastating consequences, allowing attackers to steal cookies, session tokens, or even redirect users to malicious sites. Imagine a scenario where an attacker takes control of user sessions, unleashing chaos while masquerading as an innocent guest!
Think of it like a restaurant's order form that allows guests to write anything they want without checking for allergies — one unchecked entry could endanger the whole dining experience! The issue lies in the `_com_liferay_translation_web_internal_portlet_TranslationPortlet_redirect` parameter, which fails to properly sanitize user input, enabling the injection of arbitrary web scripts or HTML into the page.
This reflected XSS vulnerability can lead to devastating consequences, allowing attackers to steal cookies, session tokens, or even redirect users to malicious sites. Imagine a scenario where an attacker takes control of user sessions, unleashing chaos while masquerading as an innocent guest! Immediately update Liferay Portal to version 7.4.3.86 or later to patch this vulnerability. Additionally, consider implementing input validation and content security policies to bolster your defenses against future attacks. You've got this! With these steps, you'll secure your portal and keep those attackers at bay! 🛡️