Seeded test discussion. How would you validate reviewing stored content sanitization in an authorized engagement?
Scenario: Submit benign formatting and inert markup to a test post, then inspect server-rendered output and preview behavior. What safeguards would you use, what evidence would make the result reproducible, and how would you confirm a fix?
Related guide: https://pentest.vanillatesting.com/kb/articles/32-reviewing-stored-content-sanitization