CVE-2024-47050
📋 TL;DR
This vulnerability allows attackers to inject malicious scripts into Mautic's tracking functionality through the Page URL variable. When exploited, these scripts execute in victims' browsers, potentially stealing session cookies or performing unauthorized actions. All Mautic instances with vulnerable versions are affected.
💻 Affected Systems
- Mautic
📦 What is this software?
Mautic by Acquia
Mautic by Acquia
⚠️ Risk & Real-World Impact
Worst Case
Attackers steal administrator session cookies, gain full control of the Mautic instance, and compromise user data including contact information and marketing campaigns.
Likely Case
Attackers steal user session cookies to impersonate legitimate users, potentially accessing sensitive contact data and performing unauthorized marketing actions.
If Mitigated
With proper input validation and output encoding, malicious scripts are neutralized before execution, preventing successful exploitation.
🎯 Exploit Status
Exploitation requires tricking users into visiting malicious URLs but doesn't require authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check the GitHub advisory for specific patched versions
Vendor Advisory: https://github.com/mautic/mautic/security/advisories/GHSA-73gr-32wg-qhh7
Restart Required: No
Instructions:
1. Review the GitHub security advisory
2. Update Mautic to the latest patched version
3. Verify the fix by testing the Page URL parameter
🔧 Temporary Workarounds
Input Validation Filter
allImplement server-side validation to sanitize Page URL parameters before processing
Implement regex filtering for URL parameters in tracking code
🧯 If You Can't Patch
- Implement WAF rules to block XSS payloads in URL parameters
- Enable Content Security Policy headers to restrict script execution
🔍 How to Verify
Check if Vulnerable:
Test by injecting basic XSS payloads into the Page URL parameter and checking if they executeCheck Version:
Check Mautic version in admin panel or via composer show mautic/coreVerify Fix Applied:
After patching, attempt the same XSS payloads and verify they are properly sanitized📡 Detection & Monitoring
Log Indicators:
- Unusual URL parameters containing script tags or JavaScript in tracking logs
- Multiple failed XSS attempts
Network Indicators:
- HTTP requests with suspicious URL parameters containing script elements
SIEM Query:
source="mautic_logs" AND (url="*<script>*" OR url="*javascript:*")