CVE-2025-63947
📋 TL;DR
A reflected Cross-Site Scripting vulnerability in phpMsAdmin 2.2 allows authenticated attackers to inject malicious scripts via the dbname parameter in database_mode.php. This affects all users running the vulnerable version who have authenticated access to the application. Successful exploitation could lead to session hijacking, credential theft, or unauthorized actions.
💻 Affected Systems
- phpMsAdmin
📦 What is this software?
Phpmsadmin by Craigtaub
⚠️ Risk & Real-World Impact
Worst Case
Attacker steals admin session cookies, gains full administrative access to the phpMsAdmin interface, potentially compromising the entire database management system and underlying databases.
Likely Case
Attacker steals user session tokens or credentials, performs unauthorized database operations, or redirects users to malicious sites.
If Mitigated
Limited impact due to authentication requirement and same-origin policy restrictions, though still allows some client-side attacks.
🎯 Exploit Status
Exploitation requires authenticated access. The vulnerability is well-documented in public advisories with proof-of-concept details.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a newer version if available, or apply input validation/sanitization to the dbname parameter in database_mode.php.
🔧 Temporary Workarounds
Input Validation and Sanitization
allAdd proper input validation and output encoding for the dbname parameter in database_mode.php
Edit database_mode.php and implement htmlspecialchars() or similar sanitization for the dbname parameter
Web Application Firewall (WAF)
allDeploy a WAF with XSS protection rules to block malicious payloads
🧯 If You Can't Patch
- Restrict access to phpMsAdmin to trusted IP addresses only
- Implement Content Security Policy (CSP) headers to mitigate XSS impact
🔍 How to Verify
Check if Vulnerable:
Check if running phpMsAdmin version 2.2 and examine database_mode.php for lack of input sanitization on the dbname parameter
Check Version:
Check phpMsAdmin configuration files or admin interface for version information
Verify Fix Applied:
Test the dbname parameter with XSS payloads after applying fixes to ensure they are properly sanitized
📡 Detection & Monitoring
Log Indicators:
- Unusual dbname parameter values containing script tags or JavaScript in access logs
- Multiple failed authentication attempts followed by successful login and XSS payload
Network Indicators:
- HTTP requests with suspicious dbname parameter values containing script tags or encoded JavaScript
SIEM Query:
web.url:*dbname=* AND (web.url:*<script* OR web.url:*javascript:* OR web.url:*onerror=*)