CVE-2025-4908
📋 TL;DR
This critical SQL injection vulnerability in PHPGurukul Daily Expense Tracker System 1.1 allows remote attackers to execute arbitrary SQL commands via the fromdate/todate parameters in expense-datewise-reports-detailed.php. Organizations using this specific expense tracking software are affected, particularly those with internet-facing installations.
💻 Affected Systems
- PHPGurukul Daily Expense Tracker System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data theft, data manipulation, authentication bypass, and potential server takeover via SQL injection leading to remote code execution.
Likely Case
Unauthorized access to sensitive expense data, financial records, and user information stored in the database.
If Mitigated
Limited impact with proper input validation and database permissions, potentially only error messages or partial data exposure.
🎯 Exploit Status
Exploit details are publicly available on GitHub. SQL injection vulnerabilities are commonly weaponized.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://phpgurukul.com/
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a newer version if available, or implement workarounds.
🔧 Temporary Workarounds
Input Validation and Parameterized Queries
allImplement proper input validation and use parameterized queries/prepared statements for the fromdate and todate parameters.
Modify expense-datewise-reports-detailed.php to use prepared statements with PDO or mysqli
Web Application Firewall (WAF)
allDeploy a WAF with SQL injection protection rules to block malicious requests.
🧯 If You Can't Patch
- Restrict access to the vulnerable endpoint using IP whitelisting or authentication requirements
- Disable or remove the expense-datewise-reports-detailed.php file if the functionality is not required
🔍 How to Verify
Check if Vulnerable:
Test the /expense-datewise-reports-detailed.php endpoint with SQL injection payloads in fromdate/todate parameters. Check application version in admin panel or source code.Check Version:
Check admin panel or view source code for version information. Typically found in footer or configuration files.Verify Fix Applied:
Attempt SQL injection attacks against the patched endpoint and verify they are blocked. Review code changes for proper input validation.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in application logs
- Multiple requests to expense-datewise-reports-detailed.php with suspicious parameters
- Database query errors containing SQL syntax
Network Indicators:
- HTTP requests with SQL keywords (UNION, SELECT, INSERT) in parameters
- Unusual traffic patterns to the vulnerable endpoint
SIEM Query:
source="web_logs" AND uri="/expense-datewise-reports-detailed.php" AND (param="fromdate" OR param="todate") AND (content="' OR " OR "--" OR "#" OR "UNION" OR "SELECT")