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    CVE-2023-1715

    A logic error when using mb_strpos() to check for potential XSS payload in Bitrix24 22.0.300 allows attackers to bypass XSS sanitisation via placing HTML tags at the begining of the payload.

    Published:Nov 1, 2023
    Last Modified:Nov 21, 2024
    EPS:Nov 1, 2023
    EPSS Score:0.00067
    CVSS Score:9

    Affected Products

    Vendor
    Bitrix24
    Product
    Bitrix24

    Exploits

    https://starlabs.sg/advisories/23/23-1715/https://starlabs.sg/advisories/23/23-1715/

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    CVE-2023-1720 (CVSS 9.6) — Lack of mime type response header in Bitrix24 22.0.300 allows authenticated remote attackers to execute arbitr…
    CVE-2023-1719 (CVSS 7.5) — Global variable extraction in bitrix/modules/main/tools.php in Bitrix24 22.0.300 allows unauthenticated remote…
    CVE-2023-1718 (CVSS 7.5) — Improper file stream access in /desktop_app/file.ajax.php?action=uploadfile in Bitrix24 22.0.300 allows unaut…
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    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