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PayPal.com XSS Vulnerability

Hello all! I'm Robert Kugler a 17 years old German student who's interested in securing computer systems. I would like to warn you that PayPal.com is vulnerable to a Cross-Site Scripting vulnerability! PayPal Inc. is running a bug bounty program for professional security researchers. https://www.paypal.com/us/webapps/mpp/security/reporting-security-issues XSS vulnerabilities are in scope. So I tried to take part and sent my find to PayPal Site Security. The vulnerability is located in the search function and can be triggered with the following javascript code: ';alert(String.fromCharCode(88,83,83))//';alert(String.fromCharCode(88,83,83))//"; alert(String.fromCharCode(88,83,83))//";alert(String.fromCharCode(88,83,83))//--

</SCRIPT>">'><SCRIPT>alert(String.fromCharCode(88,83,83))</SCRIPT>

https://www.paypal.com/de/cgi-bin/searchscr?cmd=_sitewide-search Screenshot: http://picturepush.com/public/13144090 Unfortunately PayPal disqualified me from receiving any bounty payment because of being 17 years old... PayPal Site Security: "To be eligible for the Bug Bounty Program, you *must not*: ... Be less than 18 years of age.If PayPal discovers that a researcher does not meet any of the criteria above, PayPal will remove that researcher from the Bug Bounty Program and disqualify them from receiving any bounty payments." I don’t want to allege PayPal a kind of bug bounty cost saving, but it’s not the best idea when you're interested in motivated security researchers... Best regards, Robert Kugler

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