⚠️ Security Vulnerability POC - Request Captured

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

Request intercepted and captured at 2026-04-26T13:22:43.205Z
⚠️ 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
216.73.217.105
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
d3f34589146a7a71ffbb6714e50d4974
Detection IDs
33563859
Edge server information from Cloudflare

Cookies

NameValue
🔒 __cf_bmjqGKCKqLaYC6ZYEijkXEy_xW7D1rypzUv3duyFCgufc-1777209763.1827304-1.0.1.1-ezO96QP2KCqGw8GR5cbx_AtOUNeCQvKOyMBy8bF.ncjuPw.Fmff8m8TxGD3dzG2Wi3.hkP_f3Sobkb2kt2RA.4k.wSVq5AXkRQ3SFVGSZO6JlWFvf1Sg.BLJVf3RPRge
EXPLOIT_SENDCOOKIE:1777209763187
🔒 = HttpOnly cookie (cannot be accessed by JavaScript)

Headers

HeaderValue
accept*/*
accept-encodinggzip, br
cf-connecting-ip216.73.217.105
cf-ipcountryUS
cf-ray9f25e5dc08c9962d
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-ip216.73.217.105

Browser Capabilities

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