CVE-2025-25876
📋 TL;DR
This SQL injection vulnerability in ITSourcecode Simple ChatBox allows attackers to execute arbitrary SQL commands through the /delete.php endpoint, potentially exposing sensitive database information. All users running Simple ChatBox version 1.0 or earlier are affected by this vulnerability.
💻 Affected Systems
- ITSourcecode Simple ChatBox
📦 What is this software?
Simple Chatbox by Angeljudesuarez
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including user credentials, chat history, and potentially server access if database privileges allow file system access or command execution.
Likely Case
Extraction of sensitive user data including usernames, passwords (if stored in plaintext or weakly hashed), and private chat messages.
If Mitigated
Limited information disclosure if proper input validation and parameterized queries are implemented.
🎯 Exploit Status
Proof of concept available on GitHub demonstrates SQL injection via the /delete.php endpoint.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch available. Consider migrating to alternative software or implementing manual fixes.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement strict input validation and parameterized queries for all database operations in /delete.php
Disable Vulnerable Endpoint
linuxTemporarily disable or restrict access to /delete.php until proper fixes can be implemented
mv /path/to/delete.php /path/to/delete.php.disabled
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block SQL injection patterns targeting /delete.php
- Restrict network access to the chat application to trusted IP addresses only
🔍 How to Verify
Check if Vulnerable:
Check if /delete.php exists in your Simple ChatBox installation and review the source code for SQL injection vulnerabilities
Check Version:
Check the version information in the application files or configuration
Verify Fix Applied:
Test the /delete.php endpoint with SQL injection payloads to ensure they are properly rejected
📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in application logs
- Multiple failed delete operations with suspicious parameters
Network Indicators:
- HTTP requests to /delete.php containing SQL keywords like UNION, SELECT, or DROP
SIEM Query:
source="web_logs" AND uri_path="/delete.php" AND (query_string CONTAINS "UNION" OR query_string CONTAINS "SELECT" OR query_string CONTAINS "DROP")