CVE-2025-15129
📋 TL;DR
This vulnerability allows remote attackers to execute arbitrary code through a file upload manipulation in ChenJinchuang Lin-CMS-TP5. Attackers can exploit the Upload function in LocalUploader.php to inject malicious code. Systems running Lin-CMS-TP5 version 0.3.3 or earlier are affected.
💻 Affected Systems
- ChenJinchuang Lin-CMS-TP5
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing remote code execution, data theft, and lateral movement within the network.
Likely Case
Webshell deployment leading to unauthorized access, data exfiltration, and potential ransomware deployment.
If Mitigated
Limited impact with proper file upload restrictions and input validation in place.
🎯 Exploit Status
Exploit has been published and may be used; remote execution capability makes this easily weaponizable.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch available. Consider migrating to alternative CMS or implementing strict workarounds.
🔧 Temporary Workarounds
Disable File Upload Function
allTemporarily disable the vulnerable upload handler until a patch is available.
Comment out or remove calls to LocalUploader.php upload function
Implement Strict File Validation
allAdd server-side validation for file types, extensions, and content before processing.
Implement whitelist validation for allowed file types and extensions
🧯 If You Can't Patch
- Implement WAF rules to block malicious file upload patterns
- Restrict network access to affected systems and monitor for suspicious upload activity
🔍 How to Verify
Check if Vulnerable:
Check if Lin-CMS-TP5 version is 0.3.3 or earlier and if LocalUploader.php is present in the codebase.Check Version:
Check composer.json or project configuration files for version informationVerify Fix Applied:
Verify that file upload validation has been implemented and test with malicious upload attempts.📡 Detection & Monitoring
Log Indicators:
- Unusual file upload patterns
- Execution of unexpected PHP files
- Access to LocalUploader.php with suspicious parameters
Network Indicators:
- HTTP POST requests to upload endpoints with unusual file extensions
- Outbound connections from web server to unknown IPs
SIEM Query:
source="web_logs" AND (uri="*upload*" OR uri="*LocalUploader*") AND (extension="php" OR extension="phtml" OR extension="phar")