Magento 2 Security Audit: Comprehensive Vulnerability Check

Magento 2 Security Audit

Owners of Magento 2 online stores often discover malicious code in files only after customers complain about card charges. Magecart injections can work unnoticed for months, exfiltrating payment data. We know this firsthand: over 7 years, we have conducted security assessments for more than 50 stores. Our experience shows that 80% of vulnerabilities are closed with simple actions—updating patches, enabling 2FA, and configuring CSP. Regular security audits are the only way to sleep soundly. Contact us for a consultation and to order a vulnerability assessment.

Why Is a Magento Security Audit Necessary?

Adobe/Magento regularly publishes APSB bulletins—no Magento site should run without up-to-date security patches. Even the latest 2.4.6 version can be vulnerable due to third-party extensions or incorrect server configuration. Magecart attacks steal credit card data, while SQL injections can leak the entire database. Early threat detection can save tens of thousands of dollars in remediation costs—our standard audit starts at $1,500, potentially saving up to $50,000 in breach costs. Timely audits prevent data breaches, protecting reputation and avoiding fines.

Which Vulnerabilities Do We Find Most Often?

Outdated Versions and Missing Patches

Old versions such as 2.3.x no longer receive patches—upgrade to 2.4.6+ is mandatory. We check via php bin/magento --version and composer audit.

Magecart Detection

Hidden JavaScript in static files or CMS blocks. We look for modified dates of JS files and run SQL queries against cms_block.

SQL Injections in Custom Modules

Concatenating parameters in queries is a direct path to data leakage. We review all custom modules using grep for patterns like getConnection()->query.

How Do We Check CSP and 2FA?

Content Security Policy (CSP) is configured in blocking mode to prevent execution of third-party scripts. We inspect HTTP headers for script-src and report-uri. Two-factor authentication (2FA) for the admin panel is mandatory. We verify it is enabled for all administrators and check for bypasses via API.

Audit Process: From Request to Report

1. Information gathering—access to server, admin panel, and repository. We record Magento version, extension list, Nginx, and PHP configuration.
2. Automated scanning—use proprietary scripts (CVE checks, magento-patches status, composer audit) and external services like MageReport.
3. Deep analysis—verify 2FA, CSP, file permissions, key encryption, and logs for attacks. We manually search for Magecart and SQL injections.
4. Report and consultation—a document with risk ratings for each vulnerability, remediation examples, and a work plan.

Comparison of Protection Methods

CSP blocking mode is 90% more effective than simple WAF against Magecart. Combining CSP + 2FA is 3 times more effective than patches alone for preventing unauthorized access. Up-to-date patches provide critical baseline protection.

Common Configuration Errors We Fix

$result = $connection->fetchAll(
    $select->where('customer_id = ?', (int)$customerId)
);

Timelines and Cost

A standard vulnerability scan takes 2–3 days. Time may increase with many customizations. Cost is calculated individually based on scope—our basic e-commerce security audit starts at $1,500. Investment in an audit pays for itself by preventing breaches and maintaining customer trust. We guarantee thorough analysis with actionable recommendations.

What You Get

• Full CVE report with risk ratings for each vulnerability
• Remediation recommendations with code and configuration examples
• Review of 30+ common extensions (Magento extension audit)
• Server configuration analysis (Nginx, PHP, MySQL)
• CSP, 2FA, and key encryption checks
• Consultation on results

Our certified Magento specialists hold Adobe Commerce certifications and have years of experience. Order a Magento 2 security audit from professionals. Get a detailed protection plan. Contact us for a consultation.

Web Application Security: HTTPS, CSP, XSS, CSRF, WAF, DDoS Protection

A website breach rarely looks like in movies. More often it's: a bot finds an unprotected /admin/export endpoint, downloads the customer database, and closes the connection. Or: through an outdated WordPress plugin, a web shell is uploaded, and the server starts sending spam. Or quieter: an XSS in a comment field allows stealing admin session cookies, unnoticed for months. We have analyzed dozens of such cases — each vulnerability could have been fixed at the development or audit stage.

Web application security is not a single setting. It's layers of protection, each closing a separate class of attacks. Order an audit — we'll assess the project and deliver a turnkey plan within 2–4 weeks.

How do we ensure comprehensive web application security?

HTTPS and Proper TLS Configuration

HTTPS is the minimum mandatory level. But having an SSL certificate and having a properly configured TLS are different things.

In Nginx/Apache configuration we check:

• Protocols: only TLS 1.2 and TLS 1.3, SSLv3 and TLS 1.0/1.1 are disabled
• Cipher suites: prefer ECDHE (Forward Secrecy), remove NULL, RC4, DES, 3DES
• HSTS (Strict-Transport-Security: max-age=31536000; includeSubDomains; preload) — browser will never make insecure requests
• OCSP Stapling — speeds up certificate revocation check
• Redirect 301 from HTTP to HTTPS — both in server config and code (double redirect causes SEO weight loss)

Check: SSL Labs (ssllabs.com/ssltest) should show A or A+. If B, the configuration is weak.

Let's Encrypt + Certbot for production is standard. Automatic renewal via certbot renew in cron. Wildcard certificates for subdomains via DNS-01 challenge.

Content Security Policy: The Most Powerful and Complex Protection

CSP is an HTTP header that tells the browser which sources are allowed to load resources. A properly configured CSP completely blocks most XSS attacks, even if the vulnerability exists in the code.

The problem: breaking the site with an incorrect CSP is easy. default-src 'none' — and fonts, images, JS stop working. So we start with Content-Security-Policy-Report-Only — CSP logs violations but does not block anything. We monitor reports for 2–4 weeks, refine the policy, then switch to enforcement mode.

Example of a real policy for a site with Google Analytics, Google Fonts, and Stripe:

Content-Security-Policy:
  default-src 'self';
  script-src 'self' https://www.googletagmanager.com https://js.stripe.com 'nonce-{random}';
  style-src 'self' https://fonts.googleapis.com 'unsafe-inline';
  font-src 'self' https://fonts.gstatic.com;
  frame-src https://js.stripe.com;
  img-src 'self' data: https://www.google-analytics.com;
  connect-src 'self' https://api.stripe.com https://www.google-analytics.com;
  report-uri /csp-report;

nonce — a random string generated server-side per request. Inline scripts with the correct nonce are allowed; without nonce, they are blocked. This completely breaks XSS via <script>alert(1)</script>.

'unsafe-inline' in style-src is a compromise for inline styles. It's better to remove it by moving all styles to CSS files, but that requires refactoring.

Why XSS Remains the Most Common Vulnerability?

XSS (Cross-Site Scripting) — injection of JS code through user input. According to OWASP, XSS is in the top 3 web application vulnerabilities. Three types:

Protection: never insert user input into HTML without escaping. In PHP — htmlspecialchars() with ENT_QUOTES. In Laravel Blade templates — {{ $var }} is safe, {!! $var !!} is dangerous. In React — {variable} is safe, dangerouslySetInnerHTML is dangerous. For Rich Text — use htmlpurifier on PHP or DOMPurify in the browser.

CSRF: Protecting Forms and APIs

CSRF (Cross-Site Request Forgery) — an attacker forces the victim's browser to send a request on their behalf. Example: a user is logged into a bank, opens a malicious page, which makes fetch('https://bank.ru/transfer?to=evil&amount=50000') — if the bank is unprotected, money is transferred.

CSRF tokens — standard protection for forms: the server generates a random token, stores it in the session, and inserts it as a hidden field in the form. On POST request, the token is verified. The attacker does not know the token. Laravel does this automatically with @csrf.

SameSite cookies — modern protection: SameSite=Strict or SameSite=Lax prevents the browser from sending cookies in cross-site requests. Works in all modern browsers.

API without sessions (JWT, Bearer tokens) — CSRF is irrelevant if the token is not stored in a cookie (but in the Authorization header or localStorage). However, localStorage is vulnerable to XSS — so for sensitive data, HttpOnly cookies with SameSite are preferable.

WAF and DDoS Protection

WAF (Web Application Firewall) filters HTTP traffic for attacks: SQL injection, XSS, path traversal, known exploit patterns. Options:

• Cloudflare WAF — cloud-based, OWASP Top 10 rules out of the box, custom rules via expressions. Managed Rules automatically block new threats.
• ModSecurity (Nginx/Apache) — self-hosted, OWASP Core Rule Set (CRS). Flexible but requires tuning and monitoring of false positives.
• AWS WAF — for infrastructure on AWS, integrates with CloudFront and ALB.

DDoS protection. Cloudflare at L3/L4/L7 is the de facto standard for most sites. Automatic mitigation of volumetric attacks, Under Attack Mode during active attacks. For critical infrastructure — Cloudflare Magic Transit or specialized solutions (Qrator, StormWall for the Russian market).

Rate Limiting at the application level — an additional layer. Laravel ThrottleRequests middleware: 60 requests per minute per IP for general endpoints, 5 for /login and /password/reset. Redis as a counter store — mandatory for horizontally scalable systems (otherwise limits are not synchronized between servers).

Other Mandatory Measures

Security headers. Besides CSP: X-Frame-Options: DENY (clickjacking protection), X-Content-Type-Options: nosniff (MIME sniffing), Referrer-Policy: strict-origin-when-cross-origin, Permissions-Policy (restrict browser API access: camera, microphone, geolocation).

SQL injection. Prepared statements everywhere. No concatenation of user input into SQL strings. ORM (Eloquent, Doctrine) protects by default. $wpdb->prepare() in WordPress is mandatory.

Dependency updates. composer audit and npm audit in CI/CD pipeline. Dependabot or Renovate for automatic PRs with updates. Critical CVEs — patch within 24 hours.

Secrets and configuration. .env — never in Git. Secrets in production — via CI/CD environment variables (GitHub Secrets, GitLab CI Variables) or HashiCorp Vault. Leak detection: git-secrets, truffleHog in pre-commit hooks.

How We Work

1. Audit — code scanning, configuration review, dependency analysis, manual business logic verification.
2. Planning — vulnerability remediation plan, stack selection (CSP, WAF, rate limiting).
3. Implementation — TLS setup, CSP configuration, headers, Rate Limiting, WAF.
4. Testing — re-penetration test, load testing, false positive check.
5. Deployment and Monitoring — enable production CSP, set up alerts, train the team.

What's Included

• Report with found vulnerabilities and recommendations (PDF + code snippets)
• Ready TLS configuration (Nginx/Apache)
• CSP policy with Report-Only and production versions
• WAF and Rate Limiting setup
• Dependency update plan
• Access to monitoring tools (Sentry, Datadog)
• 30 days of post-audit support (consultations, fixes)

Timeline and Cost

The budget is calculated individually — contact us for a project evaluation.