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    CVE-2025-27828

    A vulnerability in the legacy chat component of Mitel MiContact Center Business through 10.0.0.4, 10.1.0.0 through 10.1.0.5, and 10.2.0.0 through 10.2.0.4 could allow an unauthenticated attacker to conduct a reflected cross-site scripting (XSS) attack due to insufficient input validation. A successful exploit requires user interaction and could allow an attacker to execute arbitrary scripts with a limited impact on the confidentiality and the integrity.

    Published:Jun 24, 2025
    Last Modified:Apr 15, 2026
    EPS:Jun 24, 2025
    EPSS Score:0.00186
    CVSS Score:7.1

    Affected Products

    Vendor
    Mitel
    Product
    Micontact Center Business

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2024-42514 (CVSS 8.1) — A vulnerability in the legacy chat component of Mitel MiContact Center Business through 10.1.0.4 could allow a…
    CVE-2024-35284 (CVSS 5.4) — A vulnerability in the legacy chat component of Mitel MiContact Center Business through 10.0.0.4 could allow a…
    CVE-2024-35283 (CVSS 6.1) — A vulnerability in the Ignite component of Mitel MiContact Center Business through 10.0.0.4 could allow an una…
    CVE-2024-28070 (CVSS 6.8) — A vulnerability in the legacy chat component of Mitel MiContact Center Business through 10.0.0.4 could allow a…
    CVE-2024-28069 (CVSS 7.5) — A vulnerability in the legacy chat component of Mitel MiContact Center Business through 10.0.0.4 could allow a…
    CVE-2023-22854 (CVSS 7.5) — The ccmweb component of Mitel MiContact Center Business server 9.2.2.0 through 9.4.1.0 could allow an unauthen…
    CVE-2021-3352 (CVSS 9.1) — The Software Development Kit in Mitel MiContact Center Business from 8.0.0.0 through 8.1.4.1 and 9.0.0.0 throu…
    CVE-2020-24693 (CVSS 3.3) — The Ignite portal in Mitel MiContact Center Business before 9.3.0.0 could allow a local attacker to view syste…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High