Critical · published September 10, 2020
🚨 A sneaky XSS vulnerability in AEM lets 'Author' users stash malicious scripts that run in unwitting victims' browsers! 🔥 Think of it like a devious restaurant patron slipping a fake order into the system — when the server delivers it, everyone gets served a dish they didn't ask for! An attacker could potentially craft scripts that steal cookies, hijack sessions, or even manipulate users’ actions right under their noses. Imagine your carefully curated calendar being hijacked to spread malware — absolutely devastating!
Think of it like a devious restaurant patron slipping a fake order into the system — when the server delivers it, everyone gets served a dish they didn't ask for! This stored XSS vulnerability arises when 'Author' users can input malicious scripts into calendar fields, which are executed in the browsers of anyone who views that content without any sanitization or filtering.
An attacker could potentially craft scripts that steal cookies, hijack sessions, or even manipulate users’ actions right under their noses. Imagine your carefully curated calendar being hijacked to spread malware — absolutely devastating! To protect yourself, upgrade AEM to version 6.5.5.1 or higher, 6.4.8.2, or 6.3.3.9 at the earliest opportunity. Additionally, implement strict input validation and output encoding policies to prevent script injection. 🛡️ This is fixable! Follow these steps, and you’ll be a security hero in no time! 🦸