CVE-2025-7063
📋 TL;DR
CVE-2025-7063 is an unauthenticated remote code execution vulnerability in PAD CMS's file upload functionality. Attackers can upload arbitrary files without restrictions and execute them, leading to complete system compromise. All PAD CMS installations using www, bip, or ww+bip templates are affected.
💻 Affected Systems
- PAD CMS
📦 What is this software?
Pad Cms by Widzialni
⚠️ Risk & Real-World Impact
Worst Case
Complete system takeover with attacker gaining full control over the server, data exfiltration, ransomware deployment, and lateral movement to other systems.
Likely Case
Webshell deployment leading to persistent backdoor access, data theft, and use as a pivot point for further attacks.
If Mitigated
No impact if proper file upload validation and execution restrictions are implemented.
🎯 Exploit Status
The vulnerability is straightforward to exploit due to missing file type validation and permission checks.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: None available
Vendor Advisory: https://cert.pl/posts/2025/09/CVE-2025-7063
Restart Required: No
Instructions:
No official patch available. Vendor has declared product End-Of-Life and will not provide fixes.
🔧 Temporary Workarounds
Disable file upload functionality
allCompletely disable the vulnerable file upload feature in PAD CMS
Modify CMS configuration to remove or disable file upload endpoints
Implement web application firewall rules
allBlock malicious file upload attempts at the WAF level
Configure WAF to block requests to file upload endpoints with suspicious file extensions
🧯 If You Can't Patch
- Immediately remove PAD CMS from production environments and migrate to supported software
- Implement strict network segmentation to isolate PAD CMS instances and limit blast radius
🔍 How to Verify
Check if Vulnerable:
Check if PAD CMS is installed and accessible. Attempt to upload a file with arbitrary extension to the upload endpoint without authentication.Check Version:
Check CMS configuration files or admin interface for PAD CMS version informationVerify Fix Applied:
Verify PAD CMS has been removed or file upload functionality is completely disabled.📡 Detection & Monitoring
Log Indicators:
- Unusual file upload activity, especially with executable extensions (.php, .jsp, .asp, .exe)
- Multiple failed or successful upload attempts from single IPs
- Webshell access patterns in web server logs
Network Indicators:
- HTTP POST requests to file upload endpoints with executable file content
- Outbound connections from web server to unknown external IPs
SIEM Query:
source="web_server" AND (uri="*upload*" OR uri="*file*" OR method="POST") AND (extension="php" OR extension="jsp" OR extension="asp" OR extension="exe")