Medium severity · published Mar 11, 2026
CVE-2026-20116
Multiple Cisco Contact Center Products Cross-Site Scripting Vulnerabilities
6.1
CVSS
0.2%
EPSS
No
On KEV
Description
A vulnerability in the web-based management interface of Cisco Finesse, Cisco Packaged Contact Center Enterprise (Packaged CCE), Cisco Unified Contact Center Enterprise (Unified CCE), Cisco Unified Contact Center Express (Unified CCX), and Cisco Unified Intelligence Center could allow an unauthenticated, remote attacker to conduct cross-site scripting (XSS) attacks against a user of the interface.
This vulnerability exists because the web-based management interface of an affected system does not sufficiently validate user-supplied input. An attacker could exploit this vulnerability 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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 12% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CU
Cisco Unified Contact Center Express · Cisco
10.5(1)SU1; 10.6(1); 11.6(1); 10.6(1)SU1; 10.6(1)SU3; 11.6(2); +34 more · source: vendor
Affected product
CU
Cisco Unified Contact Center Express
Cisco
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-20116
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-20116
sec.cloudapps.cisco.com
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cc-xss-MrNAH5Jh
More from Cisco Unified Contact Center Express
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CVE-2026-20117
Multiple Cisco Contact Center Products Cross-Site Scripting Vulnerabilities
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CVE-2019-1670
Cisco Unified Intelligence Center Software Cross-Site Scripting Vulnerability
