CVE-2026-20233
CVE-2026-20233: 1 tracked advisory record across Cisco. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Cisco
1 advisory- Advisory severityMedium6.1
Medium [CVE-2026-20233] Cisco Webex Meetings Cross-Site Scripting Vulnerability
cisco-sa-webex-xss-jw3NeQzSSource published Source updated
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 browser of the targeted user or access sensitive, browser-based information. There are no workarounds that address this vulnerability.
- Related products — impact not confirmed
- Webex Meetings
- Source-reported affected versions
- Scope: This vulnerability affects Cisco Webex Meetings, which is cloud based.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- As mentioned, Cisco has addressed this vulnerability in the Webex Meetings service, and no customer action is necessary to update on-premises software or devices.
- Workarounds
- There are no workarounds that address this vulnerability.
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