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Cisco WebEx Training Center Training Registration Cross-Site Scripting Vulnerability

Cisco-SA-20131216-CVE-2013-6963 · Medium · Published · Updated

A vulnerability in the training center registration page of Cisco WebEx Training Center could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack. The vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by persuading a user to follow a crafted URL. Cisco has confirmed the vulnerability in a security notice; 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.

Cisco advisory · CSAF JSON

Workarounds

Administrators are advised to contact the vendor regarding future updates and releases.

Users are advised not to visit websites or follow links that have suspicious characteristics or cannot be verified as safe.

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["http://www.cisco.com/en/US/products/cmb/cisco-amb-20060922-understanding-xss.html"].

Administrators are advised to monitor affected systems.

CVEsCVE-2013-6963
Cisco Bug IDsCSCul36207
CVSS ScoreBase 4.3
Base 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N/E:F/RL:U/RC:C
Product Names From Source
Cisco WebEx Training Center

Related Products

Product CVE Evidence
Cisco WebEx Training Center CVE-2013-6963 Cisco OpenVuln