CVE-2024-26350
📋 TL;DR
Flusity-CMS v2.33 contains a Cross-Site Request Forgery vulnerability in the contact form settings update component. This allows attackers to trick authenticated administrators into making unauthorized changes to contact form configurations. All users running the vulnerable version are affected.
💻 Affected Systems
- flusity-CMS
📦 What is this software?
Flusity by Flusity
⚠️ Risk & Real-World Impact
Worst Case
Attackers could modify contact forms to capture sensitive user data, redirect form submissions to malicious servers, or disable legitimate contact functionality entirely.
Likely Case
Unauthorized changes to contact form settings leading to data leakage, spam injection, or disruption of legitimate contact functionality.
If Mitigated
With proper CSRF protections, the vulnerability would be prevented as legitimate requests would require valid anti-CSRF tokens.
🎯 Exploit Status
Exploitation requires tricking an authenticated administrator into visiting a malicious page; CSRF attacks are well-understood and easy to implement.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: No official vendor advisory found
Restart Required: No
Instructions:
1. Check for updated version from official sources. 2. If available, backup current installation. 3. Apply update following vendor instructions. 4. Verify CSRF protections are implemented.
🔧 Temporary Workarounds
Implement CSRF Protection
allAdd CSRF tokens to the vulnerable endpoint and validate them on the server side.
Modify /core/tools/update_contact_form_settings.php to include and validate CSRF tokens
Restrict Access
allImplement additional authentication requirements or IP restrictions for the vulnerable endpoint.
Add IP whitelisting or multi-factor authentication for admin functions
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to detect and block CSRF attempts
- Monitor administrator sessions for unusual activity and implement session timeouts
🔍 How to Verify
Check if Vulnerable:
Check if running flusity-CMS version 2.33 and examine /core/tools/update_contact_form_settings.php for CSRF token validation.Check Version:
Check CMS version in admin panel or configuration filesVerify Fix Applied:
Test that POST requests to the vulnerable endpoint require and validate CSRF tokens.📡 Detection & Monitoring
Log Indicators:
- Multiple POST requests to /core/tools/update_contact_form_settings.php without referrer headers or CSRF tokens
- Unusual contact form configuration changes
Network Indicators:
- HTTP requests to vulnerable endpoint with suspicious referrer domains
- Patterns of requests matching CSRF attack signatures
SIEM Query:
source="web_server" AND (uri="/core/tools/update_contact_form_settings.php" AND method="POST") AND NOT (referrer CONTAINS "yourdomain.com")