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    CVE-2016-6337

    MediaWiki 1.27.x before 1.27.1 might allow remote attackers to bypass intended session access restrictions by leveraging a call to the UserGetRights function after Session::getAllowedUserRights.

    Published:Apr 20, 2017
    Last Modified:Apr 20, 2025
    EPS:Apr 20, 2017
    EPSS Score:0.0037
    CVSS Score:7.5

    Affected Products

    Vendor
    Mediawiki
    Product
    Mediawiki

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-284 Improper Access Control

    Related CVEs

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    CVE-2026-34094 (CVSS 2) — Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files include…
    CVE-2026-34093 (CVSS 1.1) — Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. …
    CVE-2026-34092 (CVSS 2.1) — Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. …
    CVE-2026-34091 (CVSS 5.5) — Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. T…
    CVE-2026-34088 (CVSS 1.3) — Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. T…
    CVE-2026-34087 (CVSS 5.1) — Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation OATHAuth. Th…
    CVE-2025-67481 (CVSS 0) — Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in W…
    CVE-2025-67483 (CVSS 0) — Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in W…
    CVE-2025-67484 (CVSS 0) — Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/…

    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