CVE-2025-59412
📋 TL;DR
CubeCart versions before 6.5.11 have a cross-site scripting (XSS) vulnerability in the product reviews feature. Attackers can inject malicious HTML into review descriptions, which gets executed when administrators approve the reviews and visitors view product pages. This affects all CubeCart ecommerce sites running vulnerable versions.
💻 Affected Systems
- CubeCart
📦 What is this software?
Cubecart by Cubecart
⚠️ Risk & Real-World Impact
Worst Case
Attackers could redirect all site visitors to phishing/malware sites, steal session cookies, or perform actions on behalf of authenticated users.
Likely Case
Attackers inject malicious scripts to display unwanted content, deface product pages, or steal visitor session data.
If Mitigated
With proper input validation and output encoding, malicious scripts would be rendered as harmless text rather than executed code.
🎯 Exploit Status
Exploitation requires submitting a review with malicious HTML and waiting for administrator approval. No authentication bypass is needed for submission.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 6.5.11
Vendor Advisory: https://github.com/cubecart/v6/security/advisories/GHSA-qfrx-vvvp-h5m2
Restart Required: No
Instructions:
1. Backup your CubeCart installation and database. 2. Download version 6.5.11 from the official CubeCart repository. 3. Replace all files with the patched version. 4. Verify the update completed successfully.
🔧 Temporary Workarounds
Disable Product Reviews
allTemporarily disable the product reviews feature to prevent exploitation while planning the upgrade.
Navigate to CubeCart admin panel > Store Settings > Features > Disable 'Enable Reviews'
Implement Input Validation
allAdd custom input sanitization to strip HTML tags from review submissions.
Modify review submission handling code to use htmlspecialchars() or strip_tags() on user input
🧯 If You Can't Patch
- Implement a web application firewall (WAF) with XSS protection rules
- Require manual review of all HTML content in reviews before approval
🔍 How to Verify
Check if Vulnerable:
Check if your CubeCart version is below 6.5.11 in the admin dashboard or by examining the includes/global.inc.php file.Check Version:
Check the 'Version' field in the CubeCart admin dashboard or view the includes/global.inc.php file.Verify Fix Applied:
After upgrading, test by submitting a review with HTML tags like <script>alert('test')</script> and verify it displays as plain text rather than executing.📡 Detection & Monitoring
Log Indicators:
- Unusual review submissions containing HTML/script tags
- Multiple review submissions from same IP in short timeframe
Network Indicators:
- Unexpected redirects from product pages
- External script loading from review pages
SIEM Query:
source="cubecart_logs" AND (review_submission CONTAINS "<script>" OR review_submission CONTAINS "javascript:")