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Possible XSS vulnerability #3

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enferas opened this issue Nov 14, 2021 · 0 comments

enferas commented Nov 14, 2021

Hello,

I would like to report for XSS vulnerability.

In file https://github.com/jorycn/thinkphp-zcms/blob/master/ThinkPHP/Mode/Api/Controller.class.php line 69

$handler  =   isset($_GET[C('VAR_JSONP_HANDLER')]) ? $_GET[C('VAR_JSONP_HANDLER')] : C('DEFAULT_JSONP_HANDLER');
exit($handler.'('.json_encode($data).');');

exit function will terminate the script and print a message which has $_GET[C('VAR_JSONP_HANDLER')]. Then there is XSS vulnerability.

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