CVE-2025-14013
📋 TL;DR
This vulnerability allows attackers to inject malicious scripts into JIZHICMS comment sections through the body parameter. When administrators view these comments, the scripts execute in their browser context, potentially compromising admin accounts. All JIZHICMS installations up to version 2.5.5 with the comment handler enabled are affected.
💻 Affected Systems
- JIZHICMS
📦 What is this software?
Jizhicms by Jizhicms
⚠️ Risk & Real-World Impact
Worst Case
Administrator account takeover leading to complete CMS compromise, data theft, or website defacement.
Likely Case
Session hijacking of admin accounts, allowing unauthorized content modification or privilege escalation.
If Mitigated
No impact if input validation and output encoding are properly implemented.
🎯 Exploit Status
Public exploit details available on GitHub. Attack requires admin to view malicious comments.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch available. Consider upgrading if vendor releases fix, or implement workarounds.
🔧 Temporary Workarounds
Input Validation and Output Encoding
allImplement server-side validation and HTML encoding for all user inputs in comment body fields.
Modify /index.php/admins/Comment/addcomment.html to sanitize body parameter input
Disable Comment Handler
allTemporarily disable the vulnerable comment functionality until patch is available.
Comment out or remove comment handler routes in CMS configuration
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution
- Use web application firewall (WAF) rules to block XSS payloads in comment parameters
🔍 How to Verify
Check if Vulnerable:
Check if JIZHICMS version is 2.5.5 or earlier and comment functionality is enabled.
Check Version:
Check CMS version in admin panel or configuration files.
Verify Fix Applied:
Test comment submission with XSS payloads; verify they are properly sanitized or blocked.
📡 Detection & Monitoring
Log Indicators:
- Unusual comment submissions with script tags or JavaScript code
- Multiple comment attempts with encoded payloads
Network Indicators:
- POST requests to /index.php/admins/Comment/addcomment.html with suspicious body parameters
SIEM Query:
source="web_logs" AND uri="/index.php/admins/Comment/addcomment.html" AND (body CONTAINS "<script>" OR body CONTAINS "javascript:")