CVE-2026-20059 — Cisco Unity Connection Reflected Cross-Site Scripting Vulnerability

Description (CNA)

A vulnerability in the web-based management interface of Cisco Unity Connection could allow an unauthenticated, remote attacker to conduct a reflected 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 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.

Affected (CNA)

Vendor / product	Versions
Cisco / Cisco Unity Connection	affected 14; affected 14SU1; affected 14SU2; affected 14SU3; affected 14SU3a; affected 15; affected 15SU1; affected 14SU4; affected 15SU2; affected 15SU3; affected 14SU5; affected 15SU4

CWE

CWE-79

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-unity-vulns-n2EJSbbw

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.