CVE-2025-54783
📋 TL;DR
SuiteCRM versions 7.14.6 and below contain a reflected cross-site scripting (XSS) vulnerability that allows attackers to execute arbitrary JavaScript code by manipulating the HTTP Referer header. This affects all organizations running vulnerable SuiteCRM instances, potentially compromising user sessions and data. The vulnerability is fixed in version 7.14.7.
💻 Affected Systems
- SuiteCRM
📦 What is this software?
Suitecrm by Salesagility
⚠️ Risk & Real-World Impact
Worst Case
Attacker steals administrator session cookies, takes full control of CRM system, accesses sensitive customer data, and potentially pivots to internal networks.
Likely Case
Attacker steals user session cookies, performs unauthorized actions as authenticated users, and accesses/modifies CRM data.
If Mitigated
Limited impact due to proper input validation, content security policies, and session security controls preventing successful exploitation.
🎯 Exploit Status
Exploitation requires tricking users into clicking malicious links. No authentication required to trigger the vulnerability.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 7.14.7
Vendor Advisory: https://github.com/SuiteCRM/SuiteCRM/security/advisories/GHSA-vqrj-gp9m-8c6r
Restart Required: No
Instructions:
1. Backup your SuiteCRM instance and database. 2. Download SuiteCRM 7.14.7 from official sources. 3. Follow upgrade instructions at https://docs.suitecrm.com/admin/installation-guide/upgrading/. 4. Verify the upgrade completed successfully.
🔧 Temporary Workarounds
Implement Content Security Policy (CSP)
allAdd CSP headers to restrict script execution from unauthorized sources
Add to web server configuration or application headers: Content-Security-Policy: script-src 'self'
Web Application Firewall (WAF) Rules
allConfigure WAF to block malicious Referer headers containing JavaScript patterns
WAF-specific rules to detect and block Referer headers containing script tags or JavaScript URIs
🧯 If You Can't Patch
- Implement strict input validation on Referer headers at the web server or reverse proxy level
- Deploy a web application firewall with XSS protection rules enabled
🔍 How to Verify
Check if Vulnerable:
Check SuiteCRM version in Admin panel or via version.php file. If version is 7.14.6 or lower, system is vulnerable.Check Version:
Check Admin > System Settings > System Information or view /suitecrm/version.phpVerify Fix Applied:
After upgrading, confirm version is 7.14.7 or higher. Test by attempting to inject JavaScript via Referer header - should be properly sanitized.📡 Detection & Monitoring
Log Indicators:
- HTTP requests with Referer headers containing JavaScript code or suspicious patterns
- Multiple failed login attempts following suspicious Referer patterns
Network Indicators:
- Outbound connections to unknown domains following suspicious Referer access
- Unusual Referer header patterns in HTTP traffic
SIEM Query:
source="web_server_logs" AND (referer="*javascript:*" OR referer="*<script>*" OR referer="*onload=*" OR referer="*onerror=*")