Cisco Jabber Guest Server HTTP Web-Based Management Interface Cross-Site Scripting Vulnerability

A vulnerability in the HTTP web-based management interface of the Cisco Jabber Guest application could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web interface.

The vulnerability is due to insufficient input validation of the HTTP host tag parameter. An attacker could exploit this vulnerability by convincing a user to click a specific link.

Additional information about XSS attacks and potential mitigations is at the following links:

Understanding Cross-Site Scripting Threat Vectors[“http://www.cisco.com/en/US/products/cmb/cisco-amb-20060922-understanding-xss.html”]

Cross-Site Scripting[“https://www.owasp.org/index.php/Cross-site_Scripting_(XSS)”]

Cisco has not released software updates that address this vulnerability. Workarounds that address this vulnerability are not available.

This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160203-jgs[“https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160203-jgs”]