Vulnerabilidad · Publicado 03/06/2026 · Actualizado 10/06/2026
Cisco PSIRT publica advisory de seguridad: Cisco Webex Meetings Cross-Site Scripting Vulnerability. Tipo: Cross-Site Scripting (XSS). Producto afectado: Cisco Webex. Security Impact Rating: Medium.
A vulnerability in the web-based user interface of Cisco Webex Meetings could have allowed an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack. Cisco has addressed this vulnerability in the Webex Meetings service, and no customer action is needed. This vulnerability existed because of insufficient validation of user input. Prior to this vulnerability being addressed, an attacker could have exploited this vulnerability by persuading a user to follow a malicious link. A successful exploit could have allowed the attacker to execute arbitrary script code in the brows
cisco-sa-webex-xss-jw3NeQzS — Advisory oficial Cisco PSIRT
CVE-2026-20233 — NVD National Vulnerability Database
Security Impact Rating: Medium
Advisory publicado por Cisco Product Security Incident Response Team (PSIRT).