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    CVE-2017-20026

    A vulnerability has been found in HumHub up to 1.0.1 and classified as problematic. Affected by this vulnerability is an unknown functionality. The manipulation leads to cross site scripting (Reflected). The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 1.1.1 is able to address this issue. It is recommended to upgrade the affected component.

    Published:Jun 9, 2022
    Last Modified:Apr 15, 2025
    EPS:Jun 9, 2022
    EPSS Score:0.00311
    CVSS Score:4.3

    Affected Products

    Vendor
    Humhub
    Product
    Humhub

    Exploits

    http://seclists.org/fulldisclosure/2017/Mar/47http://seclists.org/fulldisclosure/2017/Mar/47

    Related CVEs

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    CVE-2026-18526 (CVSS 7.4) — HumHub Community Edition 1.18.4 and 1.18.4-pl1 contain a stored Cross-Site Scripting (XSS) vulnerability in th…
    CVE-2026-47657 (CVSS 7.1) — HumHub is an Open Source Enterprise Social Network. In versions 1.13.0 through 1.18.2, a missing authorization…
    CVE-2026-29048 (CVSS 6.9) — HumHub is an Open Source Enterprise Social Network. In version 1.18.0, a cross-site scripting vulnerability wa…
    CVE-2025-64442 (CVSS 7.1) — HumHub is an Open Source Enterprise Social Network. Versions below 1.17.4 have a XSS vulnerability in the Meta…
    CVE-2024-52043 (CVSS 6.9) — Generation of Error Message Containing Sensitive Information in HumHub GmbH & Co. KG - HumHub on Linux allows:…
    CVE-2022-31133 (CVSS 5.9) — HumHub is an Open Source Enterprise Social Network. Affected versions of HumHub are vulnerable to a stored Cro…
    CVE-2017-20028 (CVSS 5.6) — A vulnerability was found in HumHub 0.20.1/1.0.0-beta.3. It has been classified as critical. This affects an u…
    CVE-2017-20027 (CVSS 4.3) — A vulnerability was found in HumHub up to 1.0.1 and classified as problematic. Affected by this issue is some …

    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