XSS in Cisco Unified Contact Center Express
CVE-2026-20117
A vulnerability in the web-based management interface of Cisco Unified Contact Center Express (Unified CCX) could allow an unauthenticated, remote attacker to conduct cross-site scripting (XSS) attacks against a user of the interface. T…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.001 (17.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Cisco Unified Contact Center Express — versions 10.5(1)SU1, 10.6(1), 11.6(1)
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-20117?
- CVE-2026-20117 is a medium-severity vulnerability in Cisco Unified Contact Center Express, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-03-11.
- How severe is CVE-2026-20117?
- Medium severity. CVSS v3 base score is 6.1 out of 10.