CVE-2026-76419 PUBLISHED

Cisco Unified Communications Manager Cross-Site Scripting Vulnerability

Assigner: cisco
Reserved: 19.08.2026 Published: 04.11.2026 Updated: 04.11.2026

A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface.

This vulnerability exists because the web-based management interface does not properly validate user-supplied input. An attacker could exploit this vulnerability by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS Score: 6.1

Product Status

Vendor Cisco
Product Cisco Unified Communications Manager
Versions Default: unknown
  • Version 14 is affected
  • Version 14SU1 is affected
  • Version 14SU2 is affected
  • Version 14SU3 is affected
  • Version 15 is affected
  • Version 15SU1 is affected
  • Version 14SU4 is affected
  • Version 14SU4a is affected
  • Version 15SU1a is affected
  • Version 15SU2 is affected
  • Version 15.0.1.13010-1 is affected
  • Version 15.0.1.13011-1 is affected
  • Version 15.0.1.13012-1 is affected
  • Version 15.0.1.13013-1 is affected
  • Version 15.0.1.13014-1 is affected
  • Version 15.0.1.13015-1 is affected
  • Version 15.0.1.13016-1 is affected
  • Version 15.0.1.13017-1 is affected
  • Version 15SU3a is affected
  • Version 14SU5 is affected
  • Version 15SU4 is affected
  • Version 15SU4a is affected
  • Version 14SU6 is affected

Exploits

The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.

References

Problem Types

  • Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') cwe