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Medium severity6.1NVD Advisory· Published Apr 15, 2026· Updated Apr 28, 2026

CVE-2026-20059

CVE-2026-20059

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

13
  • Cisco Systems, Inc./Unity Connection13 versions
    cpe:2.3:a:cisco:unity_connection:*:*:*:*:*:*:*:*+ 12 more
    • cpe:2.3:a:cisco:unity_connection:*:*:*:*:*:*:*:*range: <=12.5
    • cpe:2.3:a:cisco:unity_connection:14.0:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unity_connection:14su1:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unity_connection:14su2:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unity_connection:14su3:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unity_connection:14su3a:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unity_connection:14su4:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unity_connection:14su5:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unity_connection:15.0:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unity_connection:15su1:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unity_connection:15su2:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:unity_connection:15su3:*:*:*:*:*:*:*
    • (no CPE)

Patches

Vulnerability mechanics

References

1

News mentions

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