Date: Tue, 28 May 2013 09:31:53 -0400
From: Zachary Cutlip <uid000@...il.com>
To: Dan Kaminsky <dan@...para.com>
Cc: full-disclosure <full-disclosure@...ts.grok.org.uk>,
 Robert Kugler <robert.kugler10@...il.com>
Subject: Re: PayPal.com XSS Vulnerability

It may also be that in many countries, including the US where PayPal is based, it can be difficult to enter into a legally binding contract with a minor.  In many cases (with exceptions) a minor can void or exit a contract as they see fit, so you enter into a contract with a minor at your own peril.  Sometimes a way around this is for a parent to enter into the contract on behalf of, or in addition to, the minor.

Zach

On May 28, 2013, at 8:26 AM, Dan Kaminsky <dan@...para.com> wrote:

> Heya Robert,
> 
>    So there's this pile of law around the world around work and kids; it's a rather recent development that <18 year olds can find problems that multibillion dollar interests are willing to pay bounties for.   The laws are all trying to protect you from being made to pick berries or sew t-shirts instead of going to class and playing outside.
> 
>    Law may be code, but it compiles VERY slowly.
> 
>    In general, you can talk to people and things'll work out.  Lawyerspeak may look daunting, but seriously, send some friendly emails, there's real people on the other side of those security@ addresses and they can usually figure out some way around pesky things like birthdays.
> 
> --Dan
>    
> 
> 
> On Fri, May 24, 2013 at 9:38 AM, Robert Kugler <robert.kugler10@...il.com> wrote:
> 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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