Cisco Webex vulnerabilities
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Published CVEs affecting Cisco Webex: 1 record(s), with affected versions and fixes.cpe:2.3:a:cisco:webex
CVE-2026-20149
Medium · 6.1
CWE-79 Mar 4, 2026
Cross-site Scripting (XSS) in Cisco Webex
A vulnerability in Cisco Webex could have allowed an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack. Cisco has addressed this vulnerability, and no customer action is needed.
This vulnerability was due to improper filtering of user-supplied 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 conduct an XSS attack against the targeted user.