XSS in Cisco Unified Contact Center Express
CVE-2025-20279
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 class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (16.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 16.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Cisco Unified Contact Center Express — versions 10.6(1), 10.5(1)SU1, 10.6(1)SU3
- Cisco Unified Contact Center Express — versions 10.5\(1\)su1es10, 12.5(1)es02, 10.5(1)su1es10
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2025-20279?
- CVE-2025-20279 is a medium-severity vulnerability in Cisco Unified Contact Center Express, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2025-06-04.
- How severe is CVE-2025-20279?
- Medium severity. CVSS v3 base score is 4.8 out of 10.