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Cisco Webex Meetings Cross-Site Scripting Vulnerability

lowcisco_psirtPublished 2026-06-03

<p>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.</p> <p>This vulnerability existed because of insufficient validation of user input. Prior to this vulnerability being

MITRE ATT&CK techniques

Indicators of compromise

Original source: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-xss-jw3NeQzS?vs_f=Cisco%20Security%20Advisory%26vs_cat=Security%20Intelligence%26vs_type=RSS%26vs_p=Cisco%20Webex%20Meetings%20Cross-Site%20Scripting%20Vulnerability%26vs_k=1