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HackerOne Disclosed Reports - 2025-03-22 - Printable Version

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HackerOne disclosed reports - 2025-03-22 - hashXploiter - 03-23-2025

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Medium
resolved

Cache Poisoning Allows Zero Interaction Store XSS


Bug reported by Sam Ark was disclosed at March 22, 2025, 12:35 pm   |   Cross-site Scripting (XSS) - Stored

The vulnerability allowed an attacker to perform a cache poisoning attack, which resulted in a zero-interaction stored cross-site scripting (XSS) vulnerability on the Trendyol website. The attack was achieved by modifying the User-Agent header and adding a malicious parameter to the URL, which was then cached by the server and executed when visited by a victim.