GU Glitcher UniversitySTUDENT PORTAL · Fall 2025

Discussion board — course #102

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Objective  Store a comment that executes in other users' browsers — including the admin moderator's (stored XSS).

💡 Show hint

Post a comment containing <script>…</script> or <img src=x onerror=…>. Then view /admin/comments as the moderator would.

FlawComment bodies are stored and later rendered raw. FixEncode on output; sanitise stored HTML; add a CSP.