A vulnerability in the web-based management interface of Cisco Unified Communications Manager Switches could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based management interface of an affected device. More Information: CSCvc30999. Known Affected Releases: 12.0(0.98000.280). Known Fixed Releases: 11.0(1.23900.3) 12.0(0.98000.180) 12.0(0.98000.422) 12.0(0.98000.541) 12.0(0.98000.6).