CVE-2025-14834
📋 TL;DR
CVE-2025-14834 is an SQL injection vulnerability in Simple Stock System 1.0 that allows attackers to manipulate database queries via the Username parameter in /checkuser.php. This enables unauthorized data access, modification, or deletion. All users running Simple Stock System 1.0 are affected.
💻 Affected Systems
- Simple Stock System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data theft, data destruction, or full system takeover via SQL injection leading to remote code execution.
Likely Case
Unauthorized access to sensitive stock data, user credentials, or business information through SQL injection.
If Mitigated
Limited impact with proper input validation and database permissions restricting damage to non-critical data.
🎯 Exploit Status
Public exploit available on GitHub gist, making exploitation trivial for attackers.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://code-projects.org/
Restart Required: No
Instructions:
No official patch available. Consider migrating to alternative software or implementing workarounds.
🔧 Temporary Workarounds
Input Validation and Sanitization
allAdd parameterized queries and input validation to /checkuser.php
Modify checkuser.php to use prepared statements: $stmt = $conn->prepare('SELECT * FROM users WHERE username = ?'); $stmt->bind_param('s', $username);
Web Application Firewall (WAF)
allDeploy WAF rules to block SQL injection patterns
Add WAF rule: SecRule ARGS:Username "@detectSQLi" "id:1001,phase:2,deny"
🧯 If You Can't Patch
- Isolate the system behind a firewall with strict network access controls
- Implement database-level protections: restrict user permissions, enable auditing
🔍 How to Verify
Check if Vulnerable:
Test /checkuser.php with SQL injection payloads like ' OR '1'='1 in Username parameterCheck Version:
Check software version in admin panel or configuration filesVerify Fix Applied:
Verify that SQL injection payloads no longer work and return proper error handling📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts with SQL patterns
- Access to /checkuser.php with suspicious parameters
Network Indicators:
- HTTP requests to /checkuser.php containing SQL keywords
- Unusual database connection patterns
SIEM Query:
source="web_logs" AND uri="/checkuser.php" AND (username="*OR*" OR username="*UNION*" OR username="*SELECT*")