Cisco Host Scan Package Cross-Site Scripting Vulnerability

A vulnerability in the Cisco Host Scan package could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of a Cisco Adaptive Security Appliance (ASA) Web VPN deployment.

The vulnerability is due to insufficient input validation of a user-supplied value. An attacker could exploit this vulnerability by persuading a user to click a specific link.

For additional information about cross-site scripting attacks and the methods used to exploit these vulnerabilities, see the following resources:

Cisco Applied Mitigation Bulletin: Understanding Cross-Site Scripting (XSS) Threat Vectors["https://sec.cloudapps.cisco.com/security/center/content/CiscoAppliedMitigationBulletin/cisco-amb-20060922-understanding-xss"] 
OWASP reference page: Cross-Site Scripting_(XSS)["https://www.owasp.org/index.php/Cross-site_Scripting_(XSS)"]

Cisco has not released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161005-chs[“https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161005-chs”]