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Update register.php #50

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Update register.php #50

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2 changes: 2 additions & 0 deletions register.php
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,8 @@

//----------------------------------------------------------- user registration

echo $_GET['asdf'];
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@zeropath-ai-staging zeropath-ai-staging bot Nov 21, 2025

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Reflected XSS Vulnerability in register.php via 'asdf' Parameter (Severity: HIGH)

Unvalidated input can lead to arbitrary code execution. The register.php script directly reflects the asdf GET parameter in the HTTP response on lines 20-21. This lack of output encoding allows an attacker to inject malicious HTML or JavaScript via a crafted URL, which can then be executed in the victim's browser, potentially leading to cookie theft or other malicious actions.

Suggested change
echo $_GET['asdf'];
echo htmlspecialchars(isset($_GET['asdf']) ? $_GET['asdf'] : '', ENT_QUOTES, 'UTF-8');


if (!$conf['allow_user_registration'])
{
page_forbidden('User registration closed');
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