← Back to Writeups
CUSTOMHardPROWeb

Lab 308 — MetricFlow — Reflected XSS via RFC2109 Cookie Parsing WAF Bypass

XESXOR9/2/20268 min read
#web#custom#hard#octal_cookie_encoding#parser_differential#path_based_exfiltration#reflected_xss#victim_side_cookie_planting

This is a Pro writeup

Unlock the full step-by-step walkthrough for Lab 308 — MetricFlow — Reflected XSS via RFC2109 Cookie Parsing WAF Bypass and get unlimited access to every pro writeup, pro course, and live session.