CVE-2025-11053
📋 TL;DR
CVE-2025-11053 is a SQL injection vulnerability in PHPGurukul Small CRM 4.0's password reset function. Attackers can exploit the 'email' parameter in /forgot-password.php to execute arbitrary SQL commands, potentially accessing or modifying database contents. This affects all users running PHPGurukul Small CRM 4.0 with the vulnerable file.
💻 Affected Systems
- PHPGurukul Small CRM
📦 What is this software?
Small Crm by Phpgurukul
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, authentication bypass, privilege escalation, or complete system takeover via SQL injection to RCE chaining.
Likely Case
Unauthorized database access allowing extraction of sensitive user data, credentials, or business information.
If Mitigated
Limited impact with proper input validation and WAF rules blocking SQL injection patterns.
🎯 Exploit Status
Exploit details are publicly available. The vulnerability requires no authentication and has straightforward exploitation.
🛠️ 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 apply manual fixes to the vulnerable file.
🔧 Temporary Workarounds
Input Validation and Sanitization
allAdd proper input validation and parameterized queries to /forgot-password.php
Edit /forgot-password.php to use prepared statements with bound parameters
WAF Rule Implementation
allDeploy web application firewall rules to block SQL injection patterns
Add WAF rule: Detect and block SQL injection attempts in POST parameters
🧯 If You Can't Patch
- Disable or restrict access to /forgot-password.php endpoint
- Implement network segmentation and isolate the CRM system from sensitive networks
🔍 How to Verify
Check if Vulnerable:
Test the /forgot-password.php endpoint with SQL injection payloads in the email parameterCheck Version:
Check CRM version in admin panel or configuration filesVerify Fix Applied:
Verify that SQL injection attempts no longer succeed and that parameterized queries are implemented📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in application logs
- Multiple failed password reset attempts with SQL patterns
Network Indicators:
- HTTP POST requests to /forgot-password.php containing SQL keywords in parameters
SIEM Query:
source="web_logs" AND uri="/forgot-password.php" AND (email="*' OR *" OR email="*;--*" OR email="*UNION*SELECT*")