WordPress CMS Security

Wordpress Pentest

We examine your WordPress installation for vulnerabilities - focusing on all in-house developments, be it the theme or plugins.

WordPress is the top dog among CMSs - worldwide! The interest of cyber criminals is correspondingly high. A quick WordPress security audit can quickly help to close security gaps and minimize the attack surface.

Core
Testing
Plugins
& Themes
Admin
Security
WordPress Pentest
Plugins
Testing
WordPress Security
Experts
Damian Strobel - CEO DSecured

Damian Strobel

CEO

My Recommendation

Security despite plugin diversity

WordPress projects often tip security-wise due to poorly maintained plugins. We identify critical combinations and show you how to establish governance and hardening permanently.
Audit Focus

What we test in WP projects

  • Plugins & Themes

    Code review for custom developments, combinations of premium themes and security plugins.

  • Data Flows & Accounts

    WooCommerce, member portals, API integrations - including permission and payment protection.

  • Patch & Update Governance

    Validation of deployment processes, staging environments and backup strategies.

85% of findings are remediated within 30 days when we guide triage & fix planning.
Schedule a brief consultation

Why professional operators need WordPress pentests

WordPress is often the public face of your business - with custom themes, integrations and a plugin ecosystem that few other systems can match. This very flexibility creates attack surface: An unpatched extension, poorly implemented role models or an orphaned plugin are enough to compromise customer data, campaigns and brand trust.

Identify shadow IT We test which plugins, cronjobs and REST endpoints are running in production - including dependencies that don't appear in any ticket system.

Secure business logic WooCommerce, headless setups or membership portals: we test payment flows, account takeovers and content moderation for real exploits.

Compliance & Reputation GDPR, agency contracts or corporate policies require verifiable security testing before releases go live.

We deliver prioritized findings with PoCs, clear recommendations for developers and - if desired - management summaries for stakeholders. This way you maintain control over your digital storefront and avoid emergency responses mid-launch.

WordPress pentest & hardening - our approach

We combine technical testing with operational hardening so your team can start implementing immediately. We work closely with developers, agencies and hosting teams - remotely or on-site.

Kickoff & Baseline Scope workshop, architecture check and deployment review - including scans for already compromised assets.

Hardening sprints Implementation recommendations for authentication, logging, WAF, backups and monitoring - tailored to your toolchain.

Enablement Playbooks, pairing sessions and training for editors, developers and hosting teams.

Deliverables

  • Security snapshot Overview of plugins, configurations, exposed endpoints and existing protections.
  • Prioritized action plan Ticket-ready tasks with effort estimates, impact and stakeholders.
  • Retest & review Verification of fixes plus management summary for stakeholders or auditors.

How much does a WordPress pentest cost?

We offer two testing formats - depending on whether you need a quick security baseline or a comprehensive audit with hardening.

Mini Pentest

Quick assessment

For content sites & microsites

€1,500 - €2,500
1-2 testing days
  • Focus on custom code, plugins & admin flows
  • Quick reporting as ticket list
  • Prioritized quick wins for immediate implementation
  • Scan for compromised files & backdoors
  • Single site or up to 3 subdomains
Ideal for: Marketing websites, landing pages, corporate sites without payment

Full pentest & hardening

For business-critical WordPress

€2,800 - €4,500
3-4 testing days
  • Complete pentest incl. business logic testing
  • WooCommerce, membership, headless & API testing
  • Hardening plan with rollout support
  • Retest after fix phase + management summary
  • Optional: dev pairing & incident playbooks
  • Compliance-ready reports (ISO 27001, GDPR)
Ideal for: E-commerce, SaaS frontends, multi-author platforms, agencies

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Your data will be treated confidentially and will not be passed on to third parties.

Is a WordPress pentest worth it?

WordPress is often your most important marketing or sales channel. When themes are extended, plugins combined and interfaces integrated, the attack surface grows dramatically. A WordPress pentest is always worthwhile when downtime equals revenue loss or when compliance requirements demand verifiable security evidence.

Business-critical funnels Shop, lead or membership areas where broken checkout or account flows directly jeopardize revenue, reputation or growth objectives.

Sensitive data & role models Multi-level approvals, custom roles, CRM and ERP integrations - we test access controls, APIs and data leaks for real privilege escalations.

Governance & compliance When auditors, investors or customers expect evidence, we anchor security checks into your release and update processes.

Self-assessment: Does this apply to your team?

  • Your WordPress presence measurably generates revenue or leads and must not go down unplanned.
  • Custom-developed plugins/themes extend core functions or access sensitive APIs.
  • Deployments happen regularly and multiple people (agency, marketing, IT) work in parallel.
  • There are requirements from GDPR, ISO 27001, agency contracts or customer SLAs.

If you answer "Yes" to any of these statements, a targeted pentest including hardening plan usually delivers actionable results within days.

For agencies & development teams

Code diff review We review new modules or releases before handover - including branch/diff comments.
Fast results Direct communication with developers instead of heavy reports.
Flexible formats Ticket-based handover, pairing sessions or workshops for internal QA.
Is a WordPress pentest worth it?

What security vulnerabilities are found during a WordPress pentest?

WordPress pentests uncover a wide range of vulnerabilities - from classic web application flaws to WordPress-specific security issues in plugins, themes and core configuration.

PHP security vulnerabilities

A WP pentest is essentially nothing more than a normal web application pentest with PHP focus. Classic vulnerabilities like local file inclusions, SQL injections, authorization bypasses and XSS are part of the standard test scope.

Plugin & theme vulnerabilities

The quality of many WordPress plugins and themes leaves much to be desired. The number of security vulnerabilities is alarmingly high. We often find that sites have already been compromised and PHP shells have been hidden everywhere. We help identify and remove them.

AJAX request issues

Especially with WordPress, we frequently see incorrect use of AJAX requests. Developers regularly forget to check access rights (capability checks) and nonces, which can lead to unauthorized access and data manipulation.

Deserialization

PHP object injection and insecure deserialization are common problems in WordPress. Especially in older plugins, we regularly find unchecked unserialize() calls that can lead to remote code execution.

Authentication bypass

Faulty implementations of custom login flows, incorrect use of wp_set_auth_cookie(), or insufficient session validation often allow attackers to completely bypass WordPress authentication.

File upload vulnerabilities

Insufficient validation of file uploads in custom plugins or themes regularly leads to arbitrary file upload. Missing MIME type checks and insecure path handling enable uploading of web shells.

WordPress Security: Practical knowledge from the blog

Concrete guides and insights from our daily work with WordPress security - from malware removal to plugin hardening.

Find more WordPress security insights and technical deep-dives in our

Browse Security Blog
Quick Start

Mini Pentest for WordPress

Our Mini Pentest for WordPress focuses on custom plugin vulnerabilities, theme security, admin access and known plugin CVEs. Ideal for agencies or marketing teams that need a quick security check before launch.

8 Hours Intensive Testing

Focused examination of the most critical vulnerabilities

€1,399 net

Transparent fixed price - no hidden costs

Prioritized Results

Fast, actionable reporting as ticket list

Popular add-ons:

Re-Test after remediation (+€399)
Management Summary for stakeholders (+€399)
Double testing time to 16h (+€1,399)
Trust through experience

Some companies we have been able to help

We've had the privilege of working with some of the world's leading companies and strengthening their IT security.

Frequently asked questions

How long does a typical WordPress penetration test take?

With WordPress, the focus is more on the technical security of individual components, less on compliance. Accordingly, most WordPress penetration tests are completed in less than 3 days.

How does my team prepare for a WordPress penetration test?

With WordPress, the parts to be tested should be available as source code. We also appreciate having a corresponding demo system where we can test thoroughly.

How often should I have a security check carried out for my WordPress site?

Depending on how important the data in your installation is. At least annually, but better with major changes.

Can I make changes to my website during the WP pentest?

That shouldn't be a problem, as we actually always only test against test systems or perform source code analyses. However, a complete relaunch should not take place during the test.

What happens after completion of the pentest for my WordPress site?

We discuss all security vulnerabilities and show how to fix them. We are happy to take over the closing ourselves - we have several PHP developers in our team. If required, we can also create a formal report.

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Request WordPress Pentest

Have questions about our services? We'd be happy to advise you and create a customized offer.

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Personal Consultation

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