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Cisco Webex Meetings Cross-Site Scripting Vulnerability

Source: cisco / cisco-sa-webex-xss-jw3NeQzS — original advisory

Published: 2026-06-03 · Last updated: 2026-06-03 · Vendor severity: Medium

CVEs

CVECVSSCWEExploitation
CVE-2026-20233 6.1 CWE-79: Cross-Site Scripting (XSS) Not observed in the wild

Affected Products

ProductAffected versionsFixed version
Cisco Webex Meetings Not specified by vendor Not specified by vendor
Cisco Webex Meetings 39.10 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 39.11 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 39.6 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 39.7 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 39.7.4 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 39.7.7 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 39.8 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 39.8.2 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 39.8.3 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 39.8.4 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 39.9 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 39.9.1 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 40.1 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 40.2 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 40.4 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 40.4.10 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 40.6 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 40.6.2 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 42.10 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 42.11 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 42.12 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 42.6 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 42.7 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 42.8 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 42.9 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 43.1 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 43.10 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 43.11 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 43.12 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 43.2 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 43.3 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 43.4 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 43.4.1 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 43.4.2 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 43.5.0 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 43.6.0 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 43.6.1 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 43.7 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 43.8 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 43.9 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 44.1 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 44.10 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 44.11 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 44.12 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 44.2 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 44.3 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 44.4 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 44.5 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 44.6 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 44.7 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 44.8 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 44.9 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 45.1 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 45.2 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 45.3 Not specified by vendor Not specified by vendor
Cisco Webex Meetings 45.4 Not specified by vendor Not specified by vendor