Cookie Stealer Script May 2026
Joe Web Challenge — Google CTF 2017 | by Ons A. - codeburst
A is a malicious tool used by threat actors to hijack user sessions by exfiltrating browser cookies. This type of attack is a form of Cross-Site Scripting (XSS) , where an attacker injects JavaScript into a trusted website to capture sensitive data. How the Script Works cookie stealer script
: The attacker finds an XSS vulnerability on a target site or uses spear-phishing emails to deliver the script. Joe Web Challenge — Google CTF 2017 | by Ons A
: Once the victim visits the compromised page or opens the malicious email, the script runs automatically in their browser. cookie stealer script