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Highest advisory severityMedium 1 vendor · 1 advisory

CVE-2026-20170

CVE-2026-20170: 1 tracked advisory record across Cisco. Compare vendor sources and published fix guidance.

Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.

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Vendor advisory comparison

Cisco

1 advisory
  • Advisory severityMedium6.1

    Medium [CVE-2026-20170] Cisco Webex Contact Center Cross-Site Scripting Vulnerability

    cisco-sa-webexcc-xss-WEX5nUnASource published Source updated

    A vulnerability in the Desktop Agent functionality of Cisco Webex Contact Center could have allowed an unauthenticated, remote attacker to conduct cross-site scripting attacks. Cisco has addressed this vulnerability in the Cisco Webex Contact Center service, and no customer action is needed. This vulnerability existed because HTML and script content was not properly handled. Prior to this vulnerability being addressed, an attacker could have exploited this vulnerability by persuading a user to follow a malicious link. A successful exploit could have allowed the attacker to steal sensitive information from the browser, including authentication and session information. There are no workarounds that address this vulnerability.

    Related products — impact not confirmed
    • Webex Contact Center
    Source-reported affected versions
    • Scope: This vulnerability affected Cisco Webex Contact Center, which is cloud based.
    Source-reported fixed versions
    No fixed-version detail extracted. This does not mean no fix exists.
    Mitigation guidance
    • A vulnerability in the Desktop Agent functionality of Cisco Webex Contact Center could have allowed an unauthenticated, remote attacker to conduct cross-site scripting attacks.
    • Cisco has addressed this vulnerability in the Cisco Webex Contact Center service, and no customer action is needed.
    • As mentioned, Cisco has addressed this vulnerability in the Cisco Webex Contact Center service, and no customer action is necessary to update on-premises software or devices.
    Workarounds
    • There are no workarounds that address this vulnerability.
    Full advisory and evidenceOpen source bulletin

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