CVE-2024-32643
📋 TL;DR
Masa CMS versions prior to 7.2.8, 7.3.13, and 7.4.6 contain an authorization bypass vulnerability. By appending '/tag/' to page URLs, attackers can access restricted content without proper permissions. This affects all Masa CMS deployments using vulnerable versions.
💻 Affected Systems
- Masa CMS
📦 What is this software?
Masacms by Masacms
Masacms by Masacms
Masacms by Masacms
⚠️ Risk & Real-World Impact
Worst Case
Unauthorized users access sensitive administrative pages, confidential content, or user data, potentially leading to data breaches or privilege escalation.
Likely Case
Attackers bypass group-based content restrictions to view protected pages, compromising content confidentiality and violating access controls.
If Mitigated
With proper network segmentation and authentication layers, impact is limited to unauthorized content viewing within the CMS.
🎯 Exploit Status
Exploitation requires only URL manipulation. No authentication or special tools needed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 7.2.8, 7.3.13, or 7.4.6
Vendor Advisory: https://github.com/MasaCMS/MasaCMS/security/advisories/GHSA-f469-jh82-97fv
Restart Required: No
Instructions:
1. Identify current Masa CMS version. 2. Upgrade to 7.2.8 (if on 7.2.x), 7.3.13 (if on 7.3.x), or 7.4.6 (if on 7.4.x). 3. Verify the fix by testing restricted page access.
🔧 Temporary Workarounds
Web Application Firewall Rule
allBlock requests containing '/tag/' in URLs to restricted areas
URL Rewriting
allConfigure web server to reject or redirect '/tag/' requests to restricted pages
🧯 If You Can't Patch
- Implement strict network access controls to limit CMS exposure
- Add additional authentication layer for sensitive content areas
🔍 How to Verify
Check if Vulnerable:
Attempt to access a group-restricted page by appending '/tag/' to the URL. If accessible, system is vulnerable.Check Version:
Check Masa CMS admin panel or version files in installation directoryVerify Fix Applied:
After patching, repeat the '/tag/' URL test on restricted pages. Access should be properly denied.📡 Detection & Monitoring
Log Indicators:
- HTTP requests containing '/tag/' patterns to restricted URLs
- Unauthorized access attempts to protected content
Network Indicators:
- Unusual patterns of '/tag/' URL requests
- Access to restricted paths from unauthorized IPs
SIEM Query:
url:*\/tag\/* AND (status:200 OR status:302) AND NOT user_agent:bot