6.1 Medium

CVE-2026-76419 Cisco Unified Communications Manager Cross-Site Scripting Vulnerability

Description

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.

CVSS 3.1 detail

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

Exploitable remotely over the network, without an account and if a user takes an action; the impact on data or service is limited.

Attack vector: Network
Attack complexity: Low
Privileges required: None
Interaction: Required
Scope: Changed
Confidentiality: Low
Integrity: Low
Availability: None

Affected products and versions

Product	Affected versions	Fixed in
Cisco Unified Communications Manager 15.0	15.0.1.13010-1 → 15.0.1.13017-1	No fix stated
Cisco Unified Communications Manager 15	15SU1a → 15	No fix stated
Cisco Unified Communications Manager 14	14SU1 → 14	No fix stated