⚠️ Security Vulnerability POC - Request Captured

🚨 XSS + Backend Origin Host Exploitation (reflect.haxcloud.org)

Request intercepted and captured at 2026-04-20T09:37:51.556Z
⚠️ Hypothetical Security Vulnerability Demonstration
This page demonstrates a hypothetical Cross-Site Scripting (XSS) attack combined with an unchecked backend host override.
What would happen: An attacker could control both the JavaScript that runs on this page AND where the page fetches its content from.
Hypothetical impact: All cookies (including secure HttpOnly ones) and user data could be captured and sent to an attacker-controlled server.

Cloudflare Edge Data

Client IP
216.73.216.23
colo
CMH
country
US
continent
NA
region
Ohio
city
Columbus
postalCode
43215
latitude
39.96118
longitude
-82.99879
timezone
America/New_York
asn
16509
asOrganization
Anthropic, PBC
httpProtocol
HTTP/2
tlsCipher
AEAD-AES256-GCM-SHA384
tlsVersion
TLSv1.3
Bot Score
1
Verified Bot
No
Static Resource
No
JA3 Hash
37fbf6f6c0c8b81b685cf8e3a3082b46
Detection IDs
33563859
Edge server information from Cloudflare

Cookies

NameValue
🔒 __cf_bmtaCUWltdP7Za_NjZMMyt0BrV8peWSH9Pv2lwA39VTDw-1776677871.5345252-1.0.1.1-a4gdEZWLBXi_T2y0ZN_8sM_TS0xrtECBAaP_CpHx5KvCqh_zuYAgD3_K44EWUcdKUMr3s2xQCp8nqfR0RKAE16gEprN650RI2uaHXDBJw1dWkSCwGqOm.Fw3_t9OcXsj
EXPLOIT_SENDCOOKIE:1776677871538
🔒 = HttpOnly cookie (cannot be accessed by JavaScript)

Headers

HeaderValue
accept*/*
accept-encodinggzip, br
cf-connecting-ip216.73.216.23
cf-ipcountryUS
cf-ray9ef32c393cb2c6fa
cf-visitor{"scheme":"https"}
connectionKeep-Alive
hostreflect.haxcloud.org
user-agentMozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
x-forwarded-protohttps
x-real-ip216.73.216.23

Browser Capabilities

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