Reflected XSS Vulnerability in Cisco Unity Connection Management Interface
CVE-2026-20059

6.1MEDIUM

Key Information:

Vendor

Cisco
Status
Cisco Unity Connection
Vendor
CVE Published:
15 April 2026

Badges

👾 Exploit Exists

What is CVE-2026-20059?

A vulnerability in the web-based management interface of Cisco Unity Connection allows an unauthenticated remote attacker to initiate a reflected XSS attack. This issue arises from inadequate validation of user-supplied input by the management interface, enabling attackers to construct malicious links. If a user clicks on such a link, it can lead to the execution of arbitrary script code within the affected interface, potentially exposing sensitive browser-based information. Organizations utilizing this product should enact preventative measures to mitigate risks associated with this type of attack.

Affected Version(s)

Cisco Unity Connection 14

Cisco Unity Connection 14SU1

Cisco Unity Connection 14SU2

References

https://sec.cloudapps.cisco.com/security/center/content/C...

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.