Cisco WebEx Multiple Critical Vulnerabilities CVSS 9.8

CERT-Bund published a critical security advisory for Cisco WebEx identifying multiple severe vulnerabilities with a CVSS Base Score of 9.8. The advisory covers Cross-Site Scripting (XSS) vulnerabilities and security bypass flaws in WebEx Contact Center and WebEx Services. Affected platforms span Windows, Linux, UNIX, and other operating systems.

Organizations running Cisco WebEx products should immediately assess exposure, apply available mitigations, and monitor for patches. Security teams should prioritize remediation given the critical severity rating, remote attack vector, and potential for XSS exploitation and security control bypass.