Cisco Unified CCX Stored XSS via Web Interface Input
CVE-2025-20279 Published on June 4, 2025
Cisco Unifed Contact Center Express Stored Cross-Site Scripting Vulnerability
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.
Vulnerability Analysis
CVE-2025-20279 can be exploited with network access, requires user interaction and user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is a XSS Vulnerability?
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
CVE-2025-20279 has been classified to as a XSS vulnerability or weakness.
Products Associated with CVE-2025-20279
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Affected Versions
Cisco Unified Contact Center Express:- Version 10.6(1) is affected.
- Version 10.5(1)SU1 is affected.
- Version 10.6(1)SU3 is affected.
- Version 12.0(1) is affected.
- Version 10.0(1)SU1 is affected.
- Version 10.6(1)SU1 is affected.
- Version 11.0(1)SU1 is affected.
- Version 11.5(1)SU1 is affected.
- Version 10.5(1) is affected.
- Version 11.6(1) is affected.
- Version 11.6(2) is affected.
- Version 12.5(1) is affected.
- Version 12.5(1)SU1 is affected.
- Version 12.5(1)SU2 is affected.
- Version 12.5(1)SU3 is affected.
- Version 12.5(1)_SU03_ES01 is affected.
- Version 12.5(1)_SU03_ES02 is affected.
- Version 12.5(1)_SU02_ES03 is affected.
- Version 12.5(1)_SU02_ES04 is affected.
- Version 12.5(1)_SU02_ES02 is affected.
- Version 12.5(1)_SU01_ES02 is affected.
- Version 12.5(1)_SU01_ES03 is affected.
- Version 12.5(1)_SU02_ES01 is affected.
- Version 11.6(2)ES07 is affected.
- Version 11.6(2)ES08 is affected.
- Version 12.5(1)_SU01_ES01 is affected.
- Version 12.0(1)ES04 is affected.
- Version 12.5(1)ES02 is affected.
- Version 12.5(1)ES03 is affected.
- Version 11.6(2)ES06 is affected.
- Version 12.5(1)ES01 is affected.
- Version 12.0(1)ES03 is affected.
- Version 12.0(1)ES01 is affected.
- Version 11.6(2)ES05 is affected.
- Version 12.0(1)ES02 is affected.
- Version 11.6(2)ES04 is affected.
- Version 11.6(2)ES03 is affected.
- Version 11.6(2)ES02 is affected.
- Version 11.6(2)ES01 is affected.
- Version 10.6(1)SU3ES03 is affected.
- Version 11.0(1)SU1ES03 is affected.
- Version 10.6(1)SU3ES01 is affected.
- Version 10.5(1)SU1ES10 is affected.
- Version 10.0(1)SU1ES04 is affected.
- Version 11.5(1)SU1ES03 is affected.
- Version 11.6(1)ES02 is affected.
- Version 11.5(1)ES01 is affected.
- Version 9.0(2)SU3ES04 is affected.
- Version 10.6(1)SU2 is affected.
- Version 10.6(1)SU2ES04 is affected.
- Version 11.6(1)ES01 is affected.
- Version 10.6(1)SU3ES02 is affected.
- Version 11.5(1)SU1ES02 is affected.
- Version 11.5(1)SU1ES01 is affected.
- Version 8.5(1) is affected.
- Version 11.0(1)SU1ES02 is affected.
- Version 12.5(1)_SU03_ES03 is affected.
- Version 12.5(1)_SU03_ES04 is affected.
- Version 12.5(1)_SU03_ES05 is affected.
- Version 12.5(1)_SU03_ES06 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.