CVE-2025-7947
📋 TL;DR
CVE-2025-7947 is an improper authorization vulnerability in jshERP's account deletion function that allows attackers to delete user accounts without proper permissions. This affects jshERP installations up to version 3.5. Attackers can exploit this remotely to disrupt operations by removing legitimate user accounts.
💻 Affected Systems
- jshERP
📦 What is this software?
Jsherp by Jishenghua
⚠️ Risk & Real-World Impact
Worst Case
Complete disruption of business operations through mass deletion of administrative and user accounts, potentially causing data loss and service unavailability.
Likely Case
Targeted deletion of specific user accounts causing operational disruption and requiring account restoration efforts.
If Mitigated
Minimal impact with proper access controls and monitoring detecting unauthorized deletion attempts.
🎯 Exploit Status
Exploit details are publicly available in GitHub issues. Attack requires some level of access but minimal technical skill.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://github.com/jishenghua/jshERP/issues/124
Restart Required: No
Instructions:
Monitor the jshERP GitHub repository for security updates. Consider upgrading to any version above 3.5 when available.
🔧 Temporary Workarounds
Restrict Access to /user/delete Endpoint
allUse web application firewall or reverse proxy to block or restrict access to the vulnerable endpoint
# Example nginx location block
location /user/delete { deny all; }
Implement Additional Authorization Layer
allAdd custom middleware to validate user permissions before processing account deletion requests
🧯 If You Can't Patch
- Implement strict network segmentation to isolate jshERP from untrusted networks
- Enable detailed logging and monitoring for all account deletion activities
🔍 How to Verify
Check if Vulnerable:
Check if jshERP version is 3.5 or earlier and the /user/delete endpoint is accessible without proper authorization checks.Check Version:
Check jshERP configuration files or admin interface for version informationVerify Fix Applied:
Test that account deletion requests from unauthorized users are properly rejected with appropriate error responses.📡 Detection & Monitoring
Log Indicators:
- Multiple DELETE requests to /user/delete endpoint from single IP
- Account deletion events without proper authentication context
- Failed authorization attempts on account management functions
Network Indicators:
- HTTP DELETE requests to /user/delete with ID parameter manipulation
- Unusual patterns of account management requests
SIEM Query:
source="web_logs" AND (uri_path="/user/delete" AND http_method="DELETE") | stats count by src_ip