Learn how attackers exploit stored XSS vulnerabilities to capture login credentials and compromise user accounts.
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Disclaimer:
The techniques described in this document are intended solely for ethical use and educational purposes. Unauthorized use of these methods outside approved environments is strictly prohibited, as it is illegal, unethical, and may lead to severe consequences.It is crucial to act responsibly, comply with all applicable laws, and adhere to established ethical guidelines. Any activity that exploits security vulnerabilities or compromises the safety, privacy, or integrity of others is strictly forbidden.
In the PortSwigger lab, a blogging platform contains a stored XSS vulnerability in the comments section. Whenever a user submits a comment, it is rendered without proper sanitization. A simulated victim, representing a logged-in user, views the comments section after new entries are added.