CVE-2025-3256
📋 TL;DR
This vulnerability in admintwo 1.0 allows attackers to bypass access controls via the email parameter in the /user/updateSet endpoint, potentially enabling unauthorized modifications to user settings. The attack can be performed remotely without authentication, affecting any system running the vulnerable software.
💻 Affected Systems
- xujiangfei admintwo
📦 What is this software?
Admintwo by Xujiangfei
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of user accounts through unauthorized email/password changes, leading to account takeover and potential privilege escalation.
Likely Case
Unauthorized modification of user email addresses and potentially other profile settings, enabling account hijacking.
If Mitigated
No impact if proper authentication and authorization checks are implemented.
🎯 Exploit Status
Exploit details are publicly available in GitHub repositories.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None known
Restart Required: No
Instructions:
No official patch available. Consider upgrading if newer version exists or apply workarounds.
🔧 Temporary Workarounds
Web Application Firewall Rule
allBlock or monitor requests to /user/updateSet endpoint
WAF-specific configuration required
Endpoint Restriction
allRestrict access to /user/updateSet endpoint to authenticated users only
Application-specific configuration required
🧯 If You Can't Patch
- Implement strong authentication and authorization checks for the /user/updateSet endpoint
- Monitor and log all access attempts to the vulnerable endpoint
🔍 How to Verify
Check if Vulnerable:
Test if unauthenticated requests to /user/updateSet with email parameter bypass access controlsCheck Version:
Check application version in admin panel or configuration filesVerify Fix Applied:
Verify that proper authentication and authorization checks are enforced for /user/updateSet endpoint📡 Detection & Monitoring
Log Indicators:
- Unauthenticated POST requests to /user/updateSet
- Multiple failed authentication attempts followed by successful /user/updateSet requests
Network Indicators:
- Unusual traffic patterns to /user/updateSet endpoint
- POST requests to /user/updateSet without proper authentication headers
SIEM Query:
source_ip:* AND uri_path:"/user/updateSet" AND http_method:POST AND NOT user_agent:"legitimate-bot"