Canary in the Code: Alert()-ing on XSS Exploits
ATT&CK techniques detected
T1190Exploit Public-Facing Application
51%
"check the url ' s < strong > id < / strong > parameter! < / p > < script > / / retrieve the ' id ' query parameter from location. search var urlparams = new urlsearchparams ( location. search ) ; / / only using the ' id ' parameter from the query string var userid = urlparams. ge…"
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Summary

I’ve been a web application pentester for a while now and over the years must have found hundreds of cross-site scripting (XSS) vulnerabilities.1 Cross-site scripting is a notoriously difficult problem […]
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