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# It's a (testing) trap! - Common testing pitfalls and how to solve them

Your end-to-end tests are secretly your best security tools. Discover how to repurpose Cypress and Playwright into automated defenders against critical OWASP vulnerabilities.

- **Speakers:** [Ramona Schwering](https://www.wearedevelopers.com/@ramona-schwering)
- **Event:** World Congress 2024
- **Published:** August 29, 2024
- **Duration:** 24:19
- **URL:** https://www.wearedevelopers.com/videos/1193-it-s-a-testing-trap-common-testing-pitfalls-and-how-to-solve-them

## Summary

Using the strategic allegory of *Plants vs. Zombies*, this session rethinks automated testing as a vital first line of defense against common web vulnerabilities. Rather than relying solely on specialized security tools, developers can repurpose end-to-end frameworks like Cypress or Playwright to actively defend against critical threats outlined by OWASP. Tests act as automated messengers that simulate real-world attacks, ensuring applications properly manage maliciously crafted inputs and block unauthorized access attempts.

The core strategy involves straightforward test implementations to cover vulnerabilities such as cross-site scripting (XSS), SQL injection, CSRF, and broken access control. By simulating malicious payloads directly in UI forms or API requests, teams can confidently assert that inputs are safely escaped, CSP headers are correctly configured, and unauthenticated traffic is consistently rejected. Furthermore, native end-to-end framework capabilities can often validate secure HTTPS routing right out of the box without complex configuration overhead.

To build a robust security testing workflow, teams should analyze their application's specific risk profile before integrating targeted validation into a deployment pipeline. While automated UI and API test coverage is highly effective, it provides the best protection when layered with proactive coding best practices, dependency management via tools like Dependabot, and supplementary SAST or DAST vulnerability scanning. Ultimately, codifying these security checks into the test suite reduces developer burden, enabling engineering teams to continuously protect user trust without repetitive manual verification.

**Keywords:** automated web security testing, end-to-end test frameworks, OWASP vulnerability mitigation, cypress test automation, playwright testing patterns, injection attack simulation, cross-site scripting (XSS) defenses, broken access control checks, content security policy (CSP) validation, static application security testing (SAST), dynamic application security testing (DAST), API authorization testing, dependabot dependency management, CI/CD security pipelines, HTTPS routing validation

## Chapters

1. **Conceptualizing app security defense using gaming mechanics** (00:00) — Visualizing web application vulnerabilities and their mitigation measures through the strategic mechanics of tower defense games.
1. **Identifying common security vulnerabilities via the OWASP project** (05:15) — Prioritizing testing efforts by referencing open source analytics that define the most prevalent and hazardous internet threats.
1. **Isolating cross-site scripting issues using automated component tests** (06:44) — Simulating adversarial behavior by injecting script payloads into test inputs to ensure interfaces properly discard dangerous strings.
1. **Verifying API response rules and content security policy** (08:44) — Requesting forbidden actions and capturing header objects with robust tooling to check resource permissions and distinct origin validation.
1. **Defending against broken access control with negative testing** (12:04) — Covering expected authentication paths alongside intentional negative workflows to ensure private zones adequately reject unauthenticated queries.
1. **Executing fundamental runtime tests against cryptographic failures** (13:17) — Safeguarding data transit efficiently by configuring natively bundled test framework routines to explicitly fail on unencrypted connections.
1. **Addressing unseen code weaknesses using complementary security pipelines** (13:56) — Integrating standard static analysis tooling alongside codebase scanning extensions to protect backend components beyond generic end-to-end constraints.
1. **Deploying structural security analysis within general testing workflows** (17:17) — Building a comprehensive quality assurance pipeline by prioritizing typical vulnerabilities before systematically enforcing broad automated constraints.
1. **Bolstering test coverage consistently without specialized security frameworks** (21:04) — Defending expansive application requirements practically by executing simplified interactions alongside designated internal architectural mitigations.
1. **Encouraging broader team adoption of security automation practices** (23:18) — Protecting continuous delivery and developer focus by permanently migrating repeated manual vulnerability checks into scheduled automated pipeline routines.

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