CVE-2019-25444
📋 TL;DR
This SQL injection vulnerability in Fiverr Clone Script 1.2.2 allows unauthenticated attackers to inject malicious SQL code through the page parameter. Attackers can extract sensitive database information, modify data, or potentially gain administrative access. Anyone running this specific version of the script is affected.
💻 Affected Systems
- Fiverr Clone Script
📦 What is this software?
Fiverr Clone Script by Phpscriptsmall
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including extraction of all user data, administrative credentials, financial information, and potential remote code execution through database functions.
Likely Case
Data exfiltration of user information, session hijacking, privilege escalation, and database manipulation.
If Mitigated
Limited impact with proper input validation and parameterized queries preventing successful exploitation.
🎯 Exploit Status
Public exploit code is available, making this easily weaponizable by attackers with minimal technical skill.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a newer version if available, or implement workarounds.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement strict input validation on the page parameter to only accept expected values (integers).
Modify PHP code to validate page parameter: if(!is_numeric($_GET['page']) || $_GET['page'] < 1) { die('Invalid page'); }
Parameterized Queries
allReplace dynamic SQL queries with prepared statements using PDO or MySQLi.
Replace: $query = "SELECT * FROM table LIMIT " . $_GET['page'];
With: $stmt = $pdo->prepare("SELECT * FROM table LIMIT ?"); $stmt->execute([$_GET['page']]);
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block SQL injection patterns in the page parameter
- Restrict database user permissions to read-only where possible
🔍 How to Verify
Check if Vulnerable:
Test by appending SQL injection payloads to the page parameter: ?page=1' OR '1'='1Check Version:
Check script version in admin panel or configuration filesVerify Fix Applied:
Attempt SQL injection payloads after implementing fixes; they should be rejected or sanitized.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL errors in application logs
- Multiple requests with SQL keywords in page parameter
- Requests with page parameter containing quotes, semicolons, or SQL commands
Network Indicators:
- HTTP requests with SQL injection patterns in GET parameters
- Unusual database query patterns from web server
SIEM Query:
source="web_logs" AND (uri_query="*page=*'*" OR uri_query="*page=*;*" OR uri_query="*page=*UNION*" OR uri_query="*page=*SELECT*" OR uri_query="*page=*OR*1=1*")