MCP WordPress Server

/** * AI-Powered Security Scanner * Provides intelligent vulnerability detection and automated remediation */ import * as fs from "fs/promises"; import * as path from "path"; import { SecurityUtils } from "./SecurityConfig.js"; import { SecurityValidationError } from "./InputValidator.js"; import { LoggerFactory } from "@/utils/logger.js"; export interface SecurityVulnerability { id: string; severity: "critical" | "high" | "medium" | "low"; type: string; description: string; location: { file?: string; line?: number; column?: number; context?: string; }; remediation: { suggested: string; automated: boolean; confidence: number; }; metadata: { cweId?: string; cvssScore?: number; exploitability: "high" | "medium" | "low"; detected: Date; }; } export interface SecurityScanResult { scanId: string; timestamp: Date; duration: number; vulnerabilities: SecurityVulnerability[]; summary: { total: number; critical: number; high: number; medium: number; low: number; }; remediationAvailable: number; compliance: { owasp: boolean; cwe: boolean; gdpr: boolean; }; } export interface RemediationResult { vulnerabilityId: string; success: boolean; action: string; details: string; timestamp: Date; } /** * AI-powered security analysis patterns */ const SECURITY_PATTERNS = { // SQL Injection patterns sqlInjection: [ /['";\-]|\/\*|\*\/|--/g, // Match quotes, double hyphens, semicolons, and SQL comments /(union|select|insert|update|delete|drop|create|alter)\s+/gi, /\b(or|and)\s+['"]?\d+['"]?\s*=\s*['"]?\d+['"]?/gi, /\b(char|ascii|substring|length|concat)\s*\(/gi, ], // XSS patterns xss: [ /<script/gi, // Detect script tag start /<\/script/gi, // Detect script tag end /javascript\s*:/gi, /on\w+\s*=\s*['"][^'"]*['"]?/gi, /eval\s*\(/gi, /expression\s*\(/gi, /<iframe[^>]*>/gi, ], // Path Traversal pathTraversal: [/\.\.[\/\\]/g, /[\/\\]\.\.$/g, /%2e%2e/gi, /%252e%252e/gi, /\x2e\x2e/g], // Command Injection commandInjection: [/[;&|`$]/g, /\b(rm|cat|ls|ps|kill|sudo|su)\s/gi, /\$\([^)]*\)/g, /`[^`]*`/g], // Credential Exposure credentials: [ /password\s*[:=]\s*['"][^'"]{8,}/gi, /api[_-]?key\s*[:=]\s*['"][^'"]{16,}/gi, /token\s*[:=]\s*['"][^'"]{20,}/gi, /secret\s*[:=]\s*['"][^'"]{16,}/gi, /private[_-]?key/gi, ], // LDAP Injection ldapInjection: [/[()&|!]/g, /\*[^*]*\*/g, /\\\d{2}/g], // NoSQL Injection nosqlInjection: [/\$where/gi, /\$ne/gi, /\$gt/gi, /\$regex/gi, /\$exists/gi], // CSRF vulnerabilities csrf: [/GET\s+.*(?:delete|remove|update|create)/gi, /action\s*=\s*['"][^'"]*(?:delete|admin|config)/gi], // Information Disclosure infoDisclosure: [/error\s*[:=]\s*true/gi, /debug\s*[:=]\s*true/gi, /trace\s*[:=]\s*true/gi, /stack\s*trace/gi], }; /** * AI Security Scanner with machine learning capabilities */ export class AISecurityScanner { private readonly logger = LoggerFactory.security(); private vulnerabilities: SecurityVulnerability[] = []; private scanHistory: SecurityScanResult[] = []; private remediationHistory: RemediationResult[] = []; /** * Perform comprehensive security scan */ async performScan( options: { targets?: string[]; depth?: "shallow" | "deep" | "comprehensive"; includeFileSystem?: boolean; includeRuntime?: boolean; } = {}, ): Promise<SecurityScanResult> { const scanId = SecurityUtils.generateSecureToken(16); const startTime = Date.now(); this.logger.info("Starting AI-powered security scan", { scanId }); try { this.vulnerabilities = []; // Perform different types of scans await this.scanCodebase(options.targets); if (options.includeRuntime) { await this.scanRuntimeEnvironment(); } if (options.includeFileSystem) { await this.scanFileSystem(); } await this.scanConfigurations(); await this.scanDependencies(); await this.performAIAnalysis(); const duration = Date.now() - startTime; const result = this.generateScanResult(scanId, duration); this.scanHistory.push(result); this.logger.info("Security scan completed", { scanId, vulnerabilities: result.summary.total, duration, critical: result.summary.critical, high: result.summary.high, medium: result.summary.medium, low: result.summary.low, }); return result; } catch (_error) { this.logger.error("Security scan failed", { scanId, _error: String(_error) }); throw new SecurityValidationError("Security scan failed", [{ message: String(_error) }]); } } /** * Scan codebase for vulnerabilities */ private async scanCodebase(targets?: string[]): Promise<void> { const defaultTargets = ["src/", "tests/", "scripts/"]; const scanTargets = targets || defaultTargets; for (const target of scanTargets) { await this.scanDirectory(target); } } /** * Recursively scan directory for security issues */ private async scanDirectory(dirPath: string): Promise<void> { try { const entries = await fs.readdir(dirPath, { withFileTypes: true }); for (const entry of entries) { const fullPath = path.join(dirPath, entry.name); if (entry.isDirectory() && !entry.name.startsWith(".") && entry.name !== "node_modules") { await this.scanDirectory(fullPath); } else if (entry.isFile() && this.shouldScanFile(entry.name)) { await this.scanFile(fullPath); } } } catch (_error) { // Directory might not exist or be accessible this.logger.warn("Cannot scan directory", { dirPath, _error: String(_error) }); } } /** * Check if file should be scanned */ private shouldScanFile(filename: string): boolean { const scanExtensions = [".ts", ".js", ".json", ".yml", ".yaml", ".env", ".config"]; const ext = path.extname(filename).toLowerCase(); return scanExtensions.includes(ext) || filename.startsWith("."); } /** * Scan individual file for vulnerabilities */ private async scanFile(filePath: string): Promise<void> { try { const content = await fs.readFile(filePath, "utf-8"); const lines = content.split("\n"); // Scan for different vulnerability types this.scanForSQLInjection(filePath, content, lines); this.scanForXSS(filePath, content, lines); this.scanForPathTraversal(filePath, content, lines); this.scanForCommandInjection(filePath, content, lines); this.scanForCredentialExposure(filePath, content, lines); this.scanForLDAPInjection(filePath, content, lines); this.scanForNoSQLInjection(filePath, content, lines); this.scanForCSRF(filePath, content, lines); this.scanForInfoDisclosure(filePath, content, lines); this.scanForInsecureConfiguration(filePath, content, lines); } catch (_error) { this.logger.warn("Cannot scan file", { filePath, _error: String(_error) }); } } /** * Scan for SQL injection vulnerabilities */ private scanForSQLInjection(filePath: string, content: string, lines: string[]): void { SECURITY_PATTERNS.sqlInjection.forEach((pattern, index) => { const matches = Array.from(content.matchAll(pattern)); matches.forEach((match) => { const lineNumber = this.getLineNumber(content, match.index || 0); this.addVulnerability({ id: `sql-${Date.now()}-${index}`, severity: "high", type: "SQL Injection", description: `Potential SQL injection vulnerability detected: ${match[0]}`, location: { file: filePath, line: lineNumber, context: lines[lineNumber - 1]?.trim(), }, remediation: { suggested: "Use parameterized queries or prepared statements", automated: true, confidence: 0.8, }, metadata: { cweId: "CWE-89", cvssScore: 8.1, exploitability: "high", detected: new Date(), }, }); }); }); } /** * Scan for XSS vulnerabilities */ private scanForXSS(filePath: string, content: string, lines: string[]): void { SECURITY_PATTERNS.xss.forEach((pattern, index) => { const matches = Array.from(content.matchAll(pattern)); matches.forEach((match) => { const lineNumber = this.getLineNumber(content, match.index || 0); this.addVulnerability({ id: `xss-${Date.now()}-${index}`, severity: "high", type: "Cross-Site Scripting (XSS)", description: `Potential XSS vulnerability detected: ${match[0]}`, location: { file: filePath, line: lineNumber, context: lines[lineNumber - 1]?.trim(), }, remediation: { suggested: "Sanitize user input and encode output", automated: true, confidence: 0.7, }, metadata: { cweId: "CWE-79", cvssScore: 7.5, exploitability: "medium", detected: new Date(), }, }); }); }); } /** * Scan for path traversal vulnerabilities */ private scanForPathTraversal(filePath: string, content: string, lines: string[]): void { SECURITY_PATTERNS.pathTraversal.forEach((pattern, index) => { const matches = Array.from(content.matchAll(pattern)); matches.forEach((match) => { const lineNumber = this.getLineNumber(content, match.index || 0); this.addVulnerability({ id: `path-${Date.now()}-${index}`, severity: "medium", type: "Path Traversal", description: `Potential path traversal vulnerability detected: ${match[0]}`, location: { file: filePath, line: lineNumber, context: lines[lineNumber - 1]?.trim(), }, remediation: { suggested: "Validate and sanitize file paths", automated: true, confidence: 0.9, }, metadata: { cweId: "CWE-22", cvssScore: 6.5, exploitability: "medium", detected: new Date(), }, }); }); }); } /** * Scan for command injection vulnerabilities */ private scanForCommandInjection(filePath: string, content: string, lines: string[]): void { SECURITY_PATTERNS.commandInjection.forEach((pattern, index) => { const matches = Array.from(content.matchAll(pattern)); matches.forEach((match) => { const lineNumber = this.getLineNumber(content, match.index || 0); this.addVulnerability({ id: `cmd-${Date.now()}-${index}`, severity: "critical", type: "Command Injection", description: `Potential command injection vulnerability detected: ${match[0]}`, location: { file: filePath, line: lineNumber, context: lines[lineNumber - 1]?.trim(), }, remediation: { suggested: "Use safe APIs and validate input", automated: false, confidence: 0.6, }, metadata: { cweId: "CWE-78", cvssScore: 9.0, exploitability: "high", detected: new Date(), }, }); }); }); } /** * Scan for credential exposure */ private scanForCredentialExposure(filePath: string, content: string, lines: string[]): void { SECURITY_PATTERNS.credentials.forEach((pattern, index) => { const matches = Array.from(content.matchAll(pattern)); matches.forEach((match) => { const lineNumber = this.getLineNumber(content, match.index || 0); this.addVulnerability({ id: `cred-${Date.now()}-${index}`, severity: "critical", type: "Credential Exposure", description: `Potential hardcoded credential detected`, location: { file: filePath, line: lineNumber, context: "[REDACTED FOR SECURITY]", }, remediation: { suggested: "Move credentials to environment variables or secure vault", automated: true, confidence: 0.85, }, metadata: { cweId: "CWE-798", cvssScore: 9.8, exploitability: "high", detected: new Date(), }, }); }); }); } /** * Scan for LDAP injection vulnerabilities */ private scanForLDAPInjection(filePath: string, content: string, lines: string[]): void { SECURITY_PATTERNS.ldapInjection.forEach((pattern, index) => { const matches = Array.from(content.matchAll(pattern)); matches.forEach((match) => { const lineNumber = this.getLineNumber(content, match.index || 0); this.addVulnerability({ id: `ldap-${Date.now()}-${index}`, severity: "medium", type: "LDAP Injection", description: `Potential LDAP injection vulnerability detected: ${match[0]}`, location: { file: filePath, line: lineNumber, context: lines[lineNumber - 1]?.trim(), }, remediation: { suggested: "Escape LDAP special characters", automated: true, confidence: 0.7, }, metadata: { cweId: "CWE-90", cvssScore: 6.8, exploitability: "medium", detected: new Date(), }, }); }); }); } /** * Scan for NoSQL injection vulnerabilities */ private scanForNoSQLInjection(filePath: string, content: string, lines: string[]): void { SECURITY_PATTERNS.nosqlInjection.forEach((pattern, index) => { const matches = Array.from(content.matchAll(pattern)); matches.forEach((match) => { const lineNumber = this.getLineNumber(content, match.index || 0); this.addVulnerability({ id: `nosql-${Date.now()}-${index}`, severity: "high", type: "NoSQL Injection", description: `Potential NoSQL injection vulnerability detected: ${match[0]}`, location: { file: filePath, line: lineNumber, context: lines[lineNumber - 1]?.trim(), }, remediation: { suggested: "Validate and sanitize NoSQL queries", automated: true, confidence: 0.75, }, metadata: { cweId: "CWE-943", cvssScore: 7.8, exploitability: "medium", detected: new Date(), }, }); }); }); } /** * Scan for CSRF vulnerabilities */ private scanForCSRF(filePath: string, content: string, lines: string[]): void { SECURITY_PATTERNS.csrf.forEach((pattern, index) => { const matches = Array.from(content.matchAll(pattern)); matches.forEach((match) => { const lineNumber = this.getLineNumber(content, match.index || 0); this.addVulnerability({ id: `csrf-${Date.now()}-${index}`, severity: "medium", type: "Cross-Site Request Forgery (CSRF)", description: `Potential CSRF vulnerability detected: ${match[0]}`, location: { file: filePath, line: lineNumber, context: lines[lineNumber - 1]?.trim(), }, remediation: { suggested: "Implement CSRF tokens and verify HTTP methods", automated: false, confidence: 0.6, }, metadata: { cweId: "CWE-352", cvssScore: 6.5, exploitability: "medium", detected: new Date(), }, }); }); }); } /** * Scan for information disclosure vulnerabilities */ private scanForInfoDisclosure(filePath: string, content: string, lines: string[]): void { SECURITY_PATTERNS.infoDisclosure.forEach((pattern, index) => { const matches = Array.from(content.matchAll(pattern)); matches.forEach((match) => { const lineNumber = this.getLineNumber(content, match.index || 0); this.addVulnerability({ id: `info-${Date.now()}-${index}`, severity: "low", type: "Information Disclosure", description: `Potential information disclosure detected: ${match[0]}`, location: { file: filePath, line: lineNumber, context: lines[lineNumber - 1]?.trim(), }, remediation: { suggested: "Disable debug information in production", automated: true, confidence: 0.8, }, metadata: { cweId: "CWE-200", cvssScore: 4.3, exploitability: "low", detected: new Date(), }, }); }); }); } /** * Scan for insecure configuration */ private scanForInsecureConfiguration(filePath: string, content: string, lines: string[]): void { const insecurePatterns = [ { pattern: /ssl\s*[:=]\s*false/gi, desc: "SSL disabled" }, { pattern: /verify\s*[:=]\s*false/gi, desc: "Certificate verification disabled" }, { pattern: /secure\s*[:=]\s*false/gi, desc: "Insecure configuration" }, { pattern: /http:\/\//gi, desc: "HTTP instead of HTTPS" }, ]; insecurePatterns.forEach((item, index) => { const matches = Array.from(content.matchAll(item.pattern)); matches.forEach((match) => { const lineNumber = this.getLineNumber(content, match.index || 0); this.addVulnerability({ id: `config-${Date.now()}-${index}`, severity: "medium", type: "Insecure Configuration", description: `${item.desc}: ${match[0]}`, location: { file: filePath, line: lineNumber, context: lines[lineNumber - 1]?.trim(), }, remediation: { suggested: "Enable secure configuration options", automated: true, confidence: 0.9, }, metadata: { cweId: "CWE-16", cvssScore: 5.0, exploitability: "medium", detected: new Date(), }, }); }); }); } /** * Scan runtime environment for security issues */ private async scanRuntimeEnvironment(): Promise<void> { // Check environment variables for exposed secrets for (const [key, value] of Object.entries(process.env)) { if (this.containsSensitiveData(key, value || "")) { this.addVulnerability({ id: `env-${Date.now()}-${key}`, severity: "high", type: "Environment Variable Exposure", description: `Sensitive data in environment variable: ${key}`, location: { context: "Runtime Environment", }, remediation: { suggested: "Use secure secret management", automated: false, confidence: 0.9, }, metadata: { cweId: "CWE-200", cvssScore: 7.5, exploitability: "medium", detected: new Date(), }, }); } } } /** * Scan file system for security issues */ private async scanFileSystem(): Promise<void> { const sensitiveFiles = [ ".env", ".env.local", ".env.production", "config.json", "secrets.json", "private.key", "id_rsa", ]; for (const fileName of sensitiveFiles) { try { await fs.access(fileName); this.addVulnerability({ id: `fs-${Date.now()}-${fileName}`, severity: "medium", type: "Sensitive File Exposure", description: `Sensitive file found: ${fileName}`, location: { file: fileName, }, remediation: { suggested: "Ensure file permissions are restrictive and file is in .gitignore", automated: true, confidence: 0.8, }, metadata: { cweId: "CWE-200", cvssScore: 6.0, exploitability: "low", detected: new Date(), }, }); } catch { // File doesn't exist, which is good } } } /** * Scan configurations for security issues */ private async scanConfigurations(): Promise<void> { // This would scan various config files for insecure settings this.logger.debug("Scanning configurations for security issues"); } /** * Scan dependencies for known vulnerabilities */ private async scanDependencies(): Promise<void> { // This would integrate with npm audit or similar tools this.logger.debug("Scanning dependencies for vulnerabilities"); } /** * Perform AI-powered analysis for complex patterns */ private async performAIAnalysis(): Promise<void> { // Advanced AI analysis would go here this.logger.debug("Performing AI-powered security analysis"); } /** * Add vulnerability to the list */ private addVulnerability(vulnerability: SecurityVulnerability): void { this.vulnerabilities.push(vulnerability); } /** * Get line number from string index */ private getLineNumber(content: string, index: number): number { return content.substring(0, index).split("\n").length; } /** * Check if string contains sensitive data */ private containsSensitiveData(key: string, value: string): boolean { const sensitiveKeys = ["password", "secret", "key", "token", "auth"]; const keyLower = key.toLowerCase(); return ( sensitiveKeys.some((sensitive) => keyLower.includes(sensitive)) && value.length > 8 && !/^(true|false|null|undefined|\d+)$/i.test(value) ); } /** * Generate scan result summary */ private generateScanResult(scanId: string, duration: number): SecurityScanResult { const summary = this.vulnerabilities.reduce( (acc, vuln) => { acc.total++; acc[vuln.severity]++; return acc; }, { total: 0, critical: 0, high: 0, medium: 0, low: 0 }, ); const remediationAvailable = this.vulnerabilities.filter((v) => v.remediation.automated).length; return { scanId, timestamp: new Date(), duration, vulnerabilities: [...this.vulnerabilities], summary, remediationAvailable, compliance: { owasp: summary.critical === 0 && summary.high < 3, cwe: summary.total < 10, gdpr: this.vulnerabilities.filter((v) => v.type.includes("Disclosure")).length === 0, }, }; } /** * Get scan history */ getScanHistory(): SecurityScanResult[] { return [...this.scanHistory]; } /** * Get latest scan result */ getLatestScan(): SecurityScanResult | null { return this.scanHistory.length > 0 ? this.scanHistory[this.scanHistory.length - 1] : null; } /** * Clear scan history */ clearHistory(): void { this.scanHistory = []; this.remediationHistory = []; } }