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: CSCvb98777. Known Affected Releases: 11.0(1.10000.10) 11.5(1.10000.6). Known Fixed Releases: 11.0(1.23063.1) 11.5(1.12029.1) 11.5(1.12900.11) 11.5(1.12900.21) 11.6(1.10000.4) 12.0(0.98000.156) 12.0(0.98000.178) 12.0(0.98000.369) 12.0(0.98000.470) 12.0(0.98000.536) 12.0(0.98000.6) 12.0(0.98500.6).