Cisco Security Advisory
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AV:N/AC:M/Au:N/C:N/I:P/A:N/E:F/RL:W/RC:C
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A vulnerability in the HTML help system of Cisco Wireless LAN Controller (WLC) devices could allow an unauthenticated, remote attacker conduct cross-site scripting attacks.
An unauthenticated, remote attacker who can convince a user of an affected system to follow a malicious link or visit an attacker-controlled web page could execute arbitrary HTML or script code in the security context of the affected site.
Cisco has confirmed the vulnerability; however, software updates are not available.
To exploit the vulnerability, the attacker may provide a link that directs a user to a malicious site and use misleading language or instructions to persuade the user to follow the provided link.
Cisco indicates through the CVSS score that functional exploit code exists; however, the code is not known to be publicly available.
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Cisco has released bug ID CSCun95178 for registered users that contains additional details and an up-to-date list of affected product versions.
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Administrators are advised to apply the appropriate updates as they become available.
Users should verify that unsolicited links are safe to follow.
For additional information about XSS attacks and the methods used to exploit these vulnerabilities, see the Cisco Applied Mitigation Bulletin Understanding Cross-Site Scripting (XSS) Threat Vectors.
Administrators are advised to monitor affected systems.
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Software updates are not available.
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The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
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To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.
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Show LessVersion Description Section Status Date 1.0 Initial Release NA Final 2015-Apr-06
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