A vulnerability in the web-based management interface of the Cisco EPC3928 Wireless Residential Gateway could allow an unauthenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the web interface of the affected system.

The vulnerability is due to insufficient input validation of user-supplied value and a lack of encoding of user-supplied data. An attacker could exploit this vulnerability by convincing a user to click on a malicious link.

Additional information about XSS attacks and potential mitigations can be found at the following links:



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: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151208-wrg

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