CVE-2025-4311
📋 TL;DR
A critical SQL injection vulnerability in itsourcecode Content Management System 1.0 allows remote attackers to execute arbitrary SQL commands via the topic_id parameter in the /admin/update_main_topic_img.php endpoint. This affects all installations of itsourcecode CMS 1.0 with the vulnerable file present. Attackers can potentially read, modify, or delete database content.
💻 Affected Systems
- itsourcecode Content Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data destruction, authentication bypass, and potential remote code execution if database functions allow it.
Likely Case
Unauthorized data access, privilege escalation, and potential administrative account takeover.
If Mitigated
Limited impact with proper input validation and database permissions, potentially only data leakage from accessible tables.
🎯 Exploit Status
The exploit is publicly disclosed and SQL injection is a well-understood attack vector with many automated tools available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://itsourcecode.com/
Restart Required: No
Instructions:
No official patch available. Consider migrating to a supported CMS or implementing workarounds.
🔧 Temporary Workarounds
Input Validation and Sanitization
allAdd parameter validation to ensure topic_id contains only numeric values
Modify /admin/update_main_topic_img.php to validate topic_id parameter: if(!is_numeric($_GET['topic_id'])) { die('Invalid input'); }
Web Application Firewall Rule
allBlock SQL injection patterns targeting the vulnerable endpoint
WAF rule: Block requests to /admin/update_main_topic_img.php containing SQL keywords in parameters
🧯 If You Can't Patch
- Restrict access to /admin/ directory using IP whitelisting or authentication
- Disable or remove the /admin/update_main_topic_img.php file if functionality is not required
🔍 How to Verify
Check if Vulnerable:
Check if file exists: /admin/update_main_topic_img.php. Test with SQL injection payload: /admin/update_main_topic_img.php?topic_id=1' OR '1'='1Check Version:
Check CMS version in configuration files or admin panel. Look for version 1.0 in source code or documentation.Verify Fix Applied:
Test with SQL injection payloads after implementing fixes. Verify input validation rejects non-numeric topic_id values.📡 Detection & Monitoring
Log Indicators:
- Multiple requests to /admin/update_main_topic_img.php with SQL keywords in parameters
- Database error logs showing SQL syntax errors
Network Indicators:
- HTTP requests containing SQL injection patterns (UNION, SELECT, INSERT, etc.) in topic_id parameter
SIEM Query:
source="web_logs" AND uri_path="/admin/update_main_topic_img.php" AND (query_string="*UNION*" OR query_string="*SELECT*" OR query_string="*INSERT*")