CVE-2025-2952
📋 TL;DR
CVE-2025-2952 is a critical unrestricted file upload vulnerability in Bluestar Micro Mall 1.0 that allows attackers to upload arbitrary files to the /api/api.php endpoint. This affects all deployments of Bluestar Micro Mall 1.0 with the vulnerable upload functionality enabled. Attackers can exploit this remotely without authentication to potentially execute malicious code on the server.
💻 Affected Systems
- Bluestar Micro Mall
📦 What is this software?
Micro Mall by Bluestar
⚠️ Risk & Real-World Impact
Worst Case
Complete server compromise leading to data theft, ransomware deployment, or use as a foothold for lateral movement within the network.
Likely Case
Webshell upload enabling persistent backdoor access, data exfiltration, or defacement of the e-commerce site.
If Mitigated
Limited impact if file uploads are blocked at network perimeter or web application firewall, though the vulnerability remains present.
🎯 Exploit Status
Exploit details are publicly available on Chinese security blogs. The vulnerability requires minimal technical skill to exploit.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None found
Restart Required: No
Instructions:
No official patch available. Consider workarounds or migrating to alternative software.
🔧 Temporary Workarounds
Block vulnerable endpoint
allUse web server configuration or WAF to block access to /api/api.php?mod=upload&type=1
# Apache: RewriteRule ^/api/api\.php\?mod=upload&type=1 - [F,L]
# Nginx: location ~ /api/api\.php\?mod=upload&type=1 { return 403; }
Restrict file upload types
allImplement server-side validation to only allow specific file extensions (e.g., .jpg, .png) and verify file content.
🧯 If You Can't Patch
- Deploy a web application firewall (WAF) with rules to detect and block file upload exploits.
- Isolate the affected system in a DMZ with strict network segmentation and monitor for suspicious upload activity.
🔍 How to Verify
Check if Vulnerable:
Test if /api/api.php?mod=upload&type=1 accepts file uploads without proper validation (e.g., upload a .php file).Check Version:
Check the software version in admin panel or configuration files; look for 'Bluestar Micro Mall 1.0'.Verify Fix Applied:
Verify the endpoint no longer accepts unrestricted file uploads or is blocked entirely.📡 Detection & Monitoring
Log Indicators:
- HTTP POST requests to /api/api.php with mod=upload&type=1 parameters
- Upload of files with suspicious extensions (.php, .jsp, .exe) to the upload endpoint
Network Indicators:
- Unusual outbound connections from the server post-upload
- Traffic patterns indicating webshell communication
SIEM Query:
source="web_logs" AND uri="/api/api.php" AND query="mod=upload&type=1"