CVE-2025-7864
📋 TL;DR
This critical vulnerability in JeeSite allows attackers to upload arbitrary files without proper restrictions, potentially leading to remote code execution. It affects all JeeSite installations up to version 5.12.0. The vulnerability is remotely exploitable and has public exploit details available.
💻 Affected Systems
- thinkgem JeeSite
📦 What is this software?
Jeesite by Jeesite
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise, data theft, or ransomware deployment
Likely Case
Webshell upload enabling persistent backdoor access and lateral movement within the network
If Mitigated
File upload attempts blocked or logged with no successful exploitation
🎯 Exploit Status
Exploit details are publicly disclosed and the vulnerability requires minimal technical skill to exploit
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Fixed in commit 3585737d21fe490ff6948d913fcbd8d99c41fc08
Vendor Advisory: https://github.com/thinkgem/jeesite5/commit/3585737d21fe490ff6948d913fcbd8d99c41fc08
Restart Required: Yes
Instructions:
1. Update JeeSite to version after 5.12.0 or apply commit 3585737d21fe490ff6948d913fcbd8d99c41fc08
2. Restart the JeeSite application server
3. Verify the patch is applied by checking the FileUploadController.java file
🔧 Temporary Workarounds
Web Application Firewall Rules
allImplement WAF rules to block malicious file upload attempts
WAF-specific configuration to block suspicious upload patterns
File Upload Restriction
allConfigure server to only allow specific file types and implement file validation
Application-specific configuration in web.xml or application.properties
🧯 If You Can't Patch
- Disable file upload functionality entirely if not required
- Implement network segmentation to isolate JeeSite instances from critical systems
🔍 How to Verify
Check if Vulnerable:
Check if JeeSite version is ≤5.12.0 and review FileUploadController.java for missing file validationCheck Version:
Check application.properties or pom.xml for version informationVerify Fix Applied:
Verify commit 3585737d21fe490ff6948d913fcbd8d99c41fc08 is present in the codebase📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads to /file/upload endpoints
- Uploads of executable file types (.jsp, .war, .exe)
- Multiple failed upload attempts
Network Indicators:
- POST requests to file upload endpoints with suspicious payloads
- Unusual outbound connections from JeeSite server
SIEM Query:
source="jeesite.log" AND (uri_path="/file/upload" OR file_extension IN ("jsp","war","exe"))🔗 References
- https://github.com/thinkgem/jeesite5/commit/3585737d21fe490ff6948d913fcbd8d99c41fc08
- https://github.com/thinkgem/jeesite5/issues/31
- https://github.com/thinkgem/jeesite5/issues/31#issuecomment-3051363397
- https://vuldb.com/?ctiid.316977
- https://vuldb.com/?id.316977
- https://vuldb.com/?submit.618189
- https://github.com/thinkgem/jeesite5/issues/31
