CVE-2025-11426
📋 TL;DR
Advanced Library Management System 1.0 contains an unrestricted file upload vulnerability in the edit_book.php file's image parameter. This allows remote attackers to upload malicious files, potentially leading to server compromise. All systems running this software version are affected.
💻 Affected Systems
- Advanced Library Management System
📦 What is this software?
⚠️ 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 data exfiltration
If Mitigated
File upload blocked or malicious files quarantined with minimal impact
🎯 Exploit Status
Exploit details are publicly available; manipulation of image parameter required
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch available; consider workarounds or alternative software
🔧 Temporary Workarounds
File Upload Restriction
allImplement server-side validation to restrict uploaded file types to images only
Modify edit_book.php to validate file extensions and MIME types
Access Control
allRestrict access to edit_book.php to authenticated users only
Add authentication check at beginning of edit_book.php
🧯 If You Can't Patch
- Remove or rename edit_book.php file if not essential
- Implement web application firewall rules to block malicious file uploads
🔍 How to Verify
Check if Vulnerable:
Attempt to upload a non-image file (e.g., .php, .exe) via edit_book.php image parameter
Check Version:
Check software version in admin panel or configuration files
Verify Fix Applied:
Test that only valid image files can be uploaded and malicious files are rejected
📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads to edit_book.php
- Uploads of non-image file types
- Large number of upload attempts
Network Indicators:
- POST requests to edit_book.php with file uploads
- Unusual traffic patterns to upload endpoint
SIEM Query:
source="web_logs" AND uri="/edit_book.php" AND method="POST" AND (file_extension!="jpg" OR file_extension!="png" OR file_extension!="gif")