dev.to· Sep 14, 2026· by sefara

Playwright email verification can pass for the wrong reason: six checks for a trustworthy test

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We made an email test verify the wrong account. The heading check passed. One identity assertion caught it. Here is the tested example and a six-point checklist.
🎯 Vulnerability: Web Security Vulnerability
💡 Defense Fix: Implement strict input validation, contextual output encoding, and enforce least-privilege authorization controls.
#playwright#testing#security#javascript