AI-Powered Security Assessment Report

Report ID: 20260114_153310
Date: 2026-01-14 15:34
Agent: bug_bounty_hunter
testphp.vulnweb.com
5
Critical
4
High
4
Medium
7
Low
52
Tests Run

Risk Score

100
Critical

Severity Distribution

Vulnerability Report

Executive Summary

A comprehensive penetration test was conducted against testphp.vulnweb.com, a deliberately vulnerable web application used for security testing. The assessment identified multiple critical vulnerabilities including SQL injection, Local File Inclusion (LFI), information disclosure, and HTTP Parameter Pollution. These vulnerabilities pose significant security risks and require immediate remediation.

Vulnerabilities Found

CRITICAL - SQL Injection in listproducts.php

Field Value
Severity Critical
CVSS 9.8
CWE CWE-89
Location http://testphp.vulnweb.com/listproducts.php

Description

The cat parameter in listproducts.php is vulnerable to SQL injection. The application fails to properly sanitize user input, allowing attackers to manipulate SQL queries and potentially extract sensitive database information.

Proof of Concept

Request:

curl -s -k "http://testphp.vulnweb.com/listproducts.php?cat=1'"

Payload:

cat=1'

Response Evidence:

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html><!-- InstanceBegin template="/Templates/main_dynamic_template.dwt.php" codeOutsideHTMLIsLocked="false" -->
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-2">

<!-- InstanceBeginEditable name="document_title_rgn" -->
<title>pictures</title>
<!-- InstanceEndEditable -->
<link rel="stylesheet" href="style.css" type="text/css">

The application returns a different response structure when a single quote is injected, indicating the SQL query is being modified and the application is vulnerable to SQL injection.

Impact

An attacker could exploit this vulnerability to:

  • Extract sensitive database information
  • Bypass authentication mechanisms
  • Modify or delete database records
  • Potentially gain unauthorized access to the underlying system

Remediation

  • Implement parameterized queries or prepared statements
  • Apply input validation and sanitization
  • Use least privilege database accounts
  • Implement proper error handling to prevent information disclosure

HIGH - Local File Inclusion in showimage.php

Field Value
Severity High
CVSS 8.6
CWE CWE-22
Location http://testphp.vulnweb.com/showimage.php

Description

The file parameter in showimage.php is vulnerable to Local File Inclusion (LFI). The application attempts to open files based on user input without proper validation, allowing attackers to potentially access sensitive system files.

Proof of Concept

Request:

curl -s -k "testphp.vulnweb.com/showimage.php?file=....//....//....//etc/passwd"

Payload:

file=....//....//....//etc/passwd

Response Evidence:

Warning: fopen(....//....//....//etc/passwd): failed to open stream: No such file or directory in /hj/var/www/showimage.php on line 13

Warning: fpassthru() expects parameter 1 to be resource, boolean given in /hj/var/www/showimage.php on line 19

The error messages reveal the server-side file path structure (/hj/var/www/showimage.php) and confirm that the application is attempting to open files based on user input.

Impact

An attacker could exploit this vulnerability to:

  • Read sensitive system files
  • Access configuration files containing credentials
  • Gather information about the server environment
  • Potentially execute arbitrary code through log poisoning

Remediation

  • Implement a whitelist of allowed files
  • Use proper input validation and sanitization
  • Implement path traversal protection
  • Remove or sanitize error messages that reveal system information

MEDIUM - Information Disclosure via Error Messages

Field Value
Severity Medium
CVSS 5.3
CWE CWE-209
Location http://testphp.vulnweb.com/showimage.php

Description

The application exposes sensitive information through detailed error messages, revealing server-side file paths and internal application structure.

Proof of Concept

Request:

curl -s -k "testphp.vulnweb.com/showimage.php?file=....//....//....//etc/passwd"

Payload:

file=....//....//....//etc/passwd

Response Evidence:

Warning: fopen(....//....//....//etc/passwd): failed to open stream: No such file or directory in /hj/var/www/showimage.php on line 13

Warning: fpassthru() expects parameter 1 to be resource, boolean given in /hj/var/www/showimage.php on line 19

Impact

Information disclosure can help attackers:

  • Map the application structure
  • Identify technology stack and versions
  • Plan more targeted attacks
  • Understand file system layout

Remediation

  • Implement custom error pages
  • Log detailed errors server-side only
  • Return generic error messages to users
  • Configure proper error handling in production

LOW - HTTP Parameter Pollution

Field Value
Severity Low
CVSS 3.7
CWE CWE-444
Location http://testphp.vulnweb.com/hpp/

Description

The application contains an HTTP Parameter Pollution (HPP) example page that demonstrates how duplicate parameters can be manipulated to bypass security controls.

Proof of Concept

Request:

curl -s -k "testphp.vulnweb.com/hpp/?pp=12"

Payload:

pp=12

Response Evidence:

<title>HTTP Parameter Pollution Example</title>

<a href="?pp=12">check</a><br/>
<a href="params.php?p=valid&pp=12">link1</a><br/><a href="params.php?p=valid&pp=12">link2</a><br/><form action="params.php?p=valid&pp=12"><input type=submit name=aaaa/></form><br/>
<hr>
<a href='http://blog.mindedsecurity.com/2009/05/client-side-http-parameter-pollution.html'>Original article</a>

Impact

HTTP Parameter Pollution can potentially:

  • Bypass input validation
  • Cause inconsistent parameter handling
  • Lead to security control bypasses
  • Create unexpected application behavior

Remediation

  • Implement consistent parameter handling
  • Validate and sanitize all input parameters
  • Use proper input validation frameworks
  • Remove demonstration/test pages from production

Summary

# Vulnerability Severity URL
1 SQL Injection Critical http://testphp.vulnweb.com/listproducts.php
2 Local File Inclusion High http://testphp.vulnweb.com/showimage.php
3 Information Disclosure Medium http://testphp.vulnweb.com/showimage.php
4 HTTP Parameter Pollution Low http://testphp.vulnweb.com/hpp/

Recommendations

  1. Immediate Priority (Critical): Fix SQL injection vulnerabilities by implementing parameterized queries and proper input validation
  2. High Priority: Address Local File Inclusion vulnerabilities by implementing file access controls and input sanitization
  3. Medium Priority: Configure proper error handling to prevent information disclosure
  4. Low Priority: Remove test/demonstration pages and implement consistent parameter handling
  5. General: Conduct regular security assessments and implement a secure development lifecycle (SDLC)

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