⚠️ Security Vulnerability POC - Request Captured

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

Request intercepted and captured at 2026-10-17T17:20:10.235Z
⚠️ 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
216.73.216.254
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
Yes
Static Resource
No
JA3 Hash
e330b695ed841d80bc7e64f4ae5b118d
Detection IDs
33563859, 50331656, 118965407
Edge server information from Cloudflare

Cookies

NameValue
🔒 __cf_bmv.mrcqfmzJTTR03_rGdCL.Qx3GyBWGxQGFTR0XwomDo-1792257609.9946814-1.0.1.1-iIjSspaZHEMXX3bquWJDbNr6QH5fR4mZ2WQ3ZSVAFoM4iXifWa71iGPiN9oh6ZJ2Zfpbmd4wNmZlhf8PrNmzK70ZiVroSEcTnf8Pouo1UiqQ3A90z4iBm..vb5D3LmP4
EXPLOIT_SENDCOOKIE:1792257610010
🔒 = HttpOnly cookie (cannot be accessed by JavaScript)

Headers

HeaderValue
accept*/*
accept-encodinggzip, br
cf-connecting-ip216.73.216.254
cf-ipcountryUS
cf-raya4c0f8efedfe97b7
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-ip216.73.216.254

Browser Capabilities

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