CVE-2024-40746
📋 TL;DR
A stored cross-site scripting vulnerability in HikaShop Joomla Component allows attackers to inject malicious JavaScript into product descriptions. When users view affected products, the malicious code executes in their browsers. This affects all Joomla sites running vulnerable versions of HikaShop.
💻 Affected Systems
- HikaShop Joomla Component
📦 What is this software?
Hikashop by Hikashop
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal admin session cookies, perform account takeover, deface websites, or redirect users to malicious sites, potentially leading to complete site compromise.
Likely Case
Attackers inject malicious scripts to steal user session cookies, perform actions as authenticated users, or display phishing content to visitors.
If Mitigated
With proper input validation and output encoding, the malicious payload would be rendered harmless as text rather than executable code.
🎯 Exploit Status
Exploitation requires ability to create or edit products (typically admin or editor access). The vulnerability is straightforward to exploit once authenticated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 5.1.1
Vendor Advisory: https://www.hikashop.com/
Restart Required: No
Instructions:
1. Log into Joomla admin panel
2. Navigate to Extensions > Manage > Update
3. Update HikaShop to version 5.1.1 or later
4. Verify update completed successfully
🔧 Temporary Workarounds
Input Sanitization Filter
allImplement custom input filtering for product description fields to strip or encode HTML/JavaScript
Content Security Policy
allImplement strict CSP headers to prevent execution of inline JavaScript
🧯 If You Can't Patch
- Restrict product editing permissions to trusted administrators only
- Implement web application firewall rules to block XSS payloads in product descriptions
🔍 How to Verify
Check if Vulnerable:
Check HikaShop version in Joomla admin panel under Components > HikaShop > AboutCheck Version:
Check Joomla admin panel: Components > HikaShop > AboutVerify Fix Applied:
Verify HikaShop version is 5.1.1 or higher and test product description field with XSS payloads📡 Detection & Monitoring
Log Indicators:
- Unusual product edits, especially with JavaScript or HTML tags in descriptions
- Multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP requests containing JavaScript payloads in product description parameters
SIEM Query:
web_requests WHERE url_parameters CONTAINS '<script' OR url_parameters CONTAINS 'javascript:' AND url_path CONTAINS 'hikashop'