CVE-2025-20279: Cisco Unifed Contact Center Express Stored Cross-Site Scripting Vulnerability

Published Jun 4, 2025
·
Updated

A vulnerability in the web-based management interface of Cisco Unified CCX could allow an authenticated, remote attacker to conduct a stored XSS attack on an affected system. To exploit this vulnerability, the attacker must have valid administrative credentials. This vulnerability is due to improper sanitization of user input to the web-based management interface. An attacker could exploit this vulnerability by submitting a malicious script through the interface. A successful exploit could allow the attacker to conduct a stored XSS attack on the affected system.

Affected Software

61 affected components
Cisco Unified CCX
Cisco Unified Contact Center Express=8.5\(1\)
Cisco Unified Contact Center Express=9.0\(2\)su3es04
Cisco Unified Contact Center Express=10.0\(1\)su1
Cisco Unified Contact Center Express=10.0\(1\)su1es04
Cisco Unified Contact Center Express=10.5\(1\)
Cisco Unified Contact Center Express=10.5\(1\)su1
Cisco Unified Contact Center Express=10.5\(1\)su1es10
Cisco Unified Contact Center Express=10.6\(1\)
Cisco Unified Contact Center Express=10.6\(1\)su1
Cisco Unified Contact Center Express=10.6\(1\)su2
Cisco Unified Contact Center Express=10.6\(1\)su2es04
Cisco Unified Contact Center Express=10.6\(1\)su3
Cisco Unified Contact Center Express=10.6\(1\)su3es01
Cisco Unified Contact Center Express=10.6\(1\)su3es02
Cisco Unified Contact Center Express=10.6\(1\)su3es03
Cisco Unified Contact Center Express=11.0\(1\)su1
Cisco Unified Contact Center Express=11.0\(1\)su1es02
Cisco Unified Contact Center Express=11.0\(1\)su1es03
Cisco Unified Contact Center Express=11.5\(1\)es01
Cisco Unified Contact Center Express=11.5\(1\)su1
Cisco Unified Contact Center Express=11.5\(1\)su1es01
Cisco Unified Contact Center Express=11.5\(1\)su1es02
Cisco Unified Contact Center Express=11.5\(1\)su1es03
Cisco Unified Contact Center Express=11.6\(1\)
Cisco Unified Contact Center Express=11.6\(1\)es01
Cisco Unified Contact Center Express=11.6\(1\)es02
Cisco Unified Contact Center Express=11.6\(2\)
Cisco Unified Contact Center Express=11.6\(2\)es01
Cisco Unified Contact Center Express=11.6\(2\)es02
Cisco Unified Contact Center Express=11.6\(2\)es03
Cisco Unified Contact Center Express=11.6\(2\)es04
Cisco Unified Contact Center Express=11.6\(2\)es05
Cisco Unified Contact Center Express=11.6\(2\)es06
Cisco Unified Contact Center Express=11.6\(2\)es07
Cisco Unified Contact Center Express=11.6\(2\)es08
Cisco Unified Contact Center Express=12.0\(1\)
Cisco Unified Contact Center Express=12.0\(1\)es01
Cisco Unified Contact Center Express=12.0\(1\)es02
Cisco Unified Contact Center Express=12.0\(1\)es03
Cisco Unified Contact Center Express=12.0\(1\)es04
Cisco Unified Contact Center Express=12.5\(1\)
Cisco Unified Contact Center Express=12.5\(1\)_su01_es01
Cisco Unified Contact Center Express=12.5\(1\)_su01_es02
Cisco Unified Contact Center Express=12.5\(1\)_su01_es03
Cisco Unified Contact Center Express=12.5\(1\)_su02_es01
Cisco Unified Contact Center Express=12.5\(1\)_su02_es02
Cisco Unified Contact Center Express=12.5\(1\)_su02_es03
Cisco Unified Contact Center Express=12.5\(1\)_su02_es04
Cisco Unified Contact Center Express=12.5\(1\)_su03_es01
Cisco Unified Contact Center Express=12.5\(1\)_su03_es02
Cisco Unified Contact Center Express=12.5\(1\)_su03_es03
Cisco Unified Contact Center Express=12.5\(1\)_su03_es04
Cisco Unified Contact Center Express=12.5\(1\)_su03_es05
Cisco Unified Contact Center Express=12.5\(1\)_su03_es06
Cisco Unified Contact Center Express=12.5\(1\)es01
Cisco Unified Contact Center Express=12.5\(1\)es02
Cisco Unified Contact Center Express=12.5\(1\)es03
Cisco Unified Contact Center Express=12.5\(1\)su1
Cisco Unified Contact Center Express=12.5\(1\)su2
Cisco Unified Contact Center Express=12.5\(1\)su3

Event History

Jun 4, 2025
CVE Published
via MITRE·04:18 PM
Data Sourced
via MITRE·04:18 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-20279?

CVE-2025-20279 has a high severity rating due to the potential for authenticated remote attackers to execute stored XSS attacks.

2

How do I fix CVE-2025-20279?

To fix CVE-2025-20279, ensure that the affected Cisco Unified CCX system is updated with the latest security patches provided by Cisco.

3

Who is affected by CVE-2025-20279?

CVE-2025-20279 affects systems running the vulnerable version of Cisco Unified Contact Center Express with valid administrative access.

4

What type of attack is described in CVE-2025-20279?

CVE-2025-20279 describes a stored cross-site scripting (XSS) attack that can be conducted by authenticated users.

5

Can the CVE-2025-20279 vulnerability be exploited remotely?

Yes, CVE-2025-20279 can be exploited remotely by an authenticated attacker with valid administrative credentials.

Contact

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