Medium6.1Cisco Updated
Cisco Webex Meetings Cross-Site Scripting Vulnerability
cisco-sa-webex-xss-jw3NeQzS Published Jun 3, 2026Updated by vendor Jun 3, 2026
CVE-2026-20233
Affected products & platforms
CiscoUnified CommunicationsWebex
Summary
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.
Affected versions
- Scope: This vulnerability affects Cisco Webex Meetings, which is cloud based.
Official advisory · high-confidence parse· fetched 1 day ago·verify at source
Mitigation checklist
Temporary workarounds
- There are no workarounds that address this vulnerability.
Official advisory · high-confidence parse· fetched 1 day ago·verify at source
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