CVE-2026-20055

Cisco Packaged Contact Center Enterprise & Cisco Unified Contact Center Enterprise Cross-Site Scripting Vulnerability

State
Published
Severity
4.8 Medium
Published
Jan 21, 2026
Updated
Jan 21, 2026
Reserved
Oct 8, 2025

Read the record on cve.org

Description

Multiple vulnerabilities in the web-based management interface of Cisco Packaged Contact Center Enterprise (Packaged CCE) and Cisco Unified Contact Center Enterprise (Unified CCE) could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based management interface of an affected device. 

These vulnerabilities exist because the web-based management interface does not properly validate user-supplied input. An attacker could exploit these vulnerabilities by injecting malicious code into specific pages of the interface. 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. To exploit these vulnerabilities, the attacker must have valid administrative credentials.

Scores

CVSSScoreVectorSource
3.14.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:Ncisco

Weaknesses

  • CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

ProductVersions
Cisco Packaged Contact Center EnterpriseCisco
  • 12.5(1)Affected
  • 11.0(1)Affected
  • 12.0(1)Affected
  • 11.0(2)Affected
  • 11.5(1)Affected
  • 10.5(1)Affected
  • 10.5(2)Affected
  • 11.6(2)Affected
  • 10.5(1)_ES7Affected
  • 11.6(1)Affected
  • 10.5(2)_ES8Affected
  • 12.6(1)Affected
  • 12.5(2)Affected
  • 12.6(2)Affected
  • 15.0(1)Affected
Cisco Unified Contact Center EnterpriseCisco
  • 12.6(1)ES3Affected
  • 12.6(1)ES1Affected
  • 12.6(1)Affected
  • 12.6(1)ES2Affected
  • 12.6(1)SecurityPatchAffected
  • 12.5(1)ES1Affected
  • 12.5(1)Affected
  • 12.6(1)ES4Affected
  • 11.0(1)Affected
  • 10.5(1)Affected
  • 12.0(1)Affected
  • 10.5Affected
  • 11.0Affected
  • 11.5Affected
  • 12.6(2)Affected
  • 12.6(2)ES1Affected
  • 12.6(2)ES2Affected
  • 15.0(1)Affected
  • 12.6(2)ES3Affected
  • 15.0(1)ET01Affected
  • 15.0(1)_SP1Affected
  • 15.0(1)ES202508Affected

References

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