CVE-2023-20134: Cisco Webex Meetings Web UI Vulnerabilities

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-04-05 · updated 2026-06-17
Weakness: CWE-20

Description

Multiple vulnerabilities in the web interface of Cisco Webex Meetings could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack or upload arbitrary files as recordings. For more information about these vulnerabilities, see the Details section of this advisory.

Affected products

Cisco Webex Meetings: all versions

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wbx-sxss-fupl-64uHbcm5
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wbx-sxss-fupl-64uHbcm5

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