CVE-2025-67683
📋 TL;DR
Quick.Cart e-commerce software is vulnerable to reflected cross-site scripting (XSS) via the sSort parameter. Attackers can craft malicious URLs that execute arbitrary JavaScript in victims' browsers when opened. All users running Quick.Cart are potentially affected.
💻 Affected Systems
- Quick.Cart
📦 What is this software?
Quick.cart by Opensolution
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal session cookies, redirect users to malicious sites, perform actions on behalf of authenticated users, or deliver malware.
Likely Case
Session hijacking, credential theft, or defacement of the shopping cart interface through injected content.
If Mitigated
Limited impact if proper input validation and output encoding are implemented, though some user interaction risks remain.
🎯 Exploit Status
Exploitation requires user interaction (clicking malicious link); reflected XSS is well-understood and easily weaponized.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None provided
Restart Required: No
Instructions:
No official patch available; consider applying workarounds or upgrading if vendor releases fix.
🔧 Temporary Workarounds
Input Validation Filter
allImplement server-side validation to sanitize the sSort parameter, allowing only expected values.
Modify Quick.Cart source code to validate sSort parameter against whitelist of allowed sorting options.
Web Application Firewall (WAF) Rule
allDeploy WAF rules to block malicious sSort parameter payloads containing script tags or JavaScript.
Add WAF rule: Block requests with sSort parameter containing <script, javascript:, or onload= patterns.
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution sources.
- Educate users about phishing risks and avoid clicking untrusted Quick.Cart links.
🔍 How to Verify
Check if Vulnerable:
Test by accessing Quick.Cart with sSort parameter containing payload like sSort=<script>alert('XSS')</script> and check if script executes.Check Version:
Check Quick.Cart version in admin panel or configuration files; exact command depends on installation.Verify Fix Applied:
After applying workarounds, retest with same payload; script should not execute and input should be sanitized.📡 Detection & Monitoring
Log Indicators:
- HTTP logs showing sSort parameter with script tags, javascript:, or unusual characters.
- Multiple failed login attempts or session hijacking alerts following suspicious sSort requests.
Network Indicators:
- Inbound requests to Quick.Cart with sSort parameter exceeding normal length or containing encoded payloads.
SIEM Query:
source="web_logs" AND uri="*sSort=*" AND (uri="*<script*" OR uri="*javascript:*" OR uri="*onload=*")