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A Reflected XSS vulnerability in this sdk #28
The vulnerability exists due to directly output user-supplied data in HTTP GET parameter, this happended in the file "heartland-php-master\examples\consumer-authentication\cruise.php". The infected source code is line 27, there is no protection on $_GET;
if $_GET contains evil js code, line 27 will trigger untrusted code to be excuted on the browser side.
So if a attacker construct a special url as follow and send it to a victim, when the victim click the url, the code which is contained in the url will be executed on the victim's browser side to do some evil.
Discoverer: ADLab of Venustech