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    CVE-2019-16529

    An issue was discovered in the CheckUser extension through 1.35.0 for MediaWiki. Oversighted edit summaries are still visible in CheckUser results in violation of MediaWiki's permissions model.

    Published:Mar 19, 2020
    Last Modified:Nov 21, 2024
    EPS:Mar 19, 2020
    EPSS Score:0.00179
    CVSS Score:5.3

    Affected Products

    Vendor
    Mediawiki
    Product
    Checkuser

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-34090 (CVSS 4.8) — Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation CheckUser. T…
    CVE-2025-67478 (CVSS 0) — Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files includes/…
    CVE-2025-61658 (CVSS 1.3) — Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files src/Globa…
    CVE-2025-61651 (CVSS 0) — Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in W…
    CVE-2025-61648 (CVSS 0) — Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in W…
    CVE-2025-62699 (CVSS 6.9) — Exposure of Sensitive Information to an Unauthorized Actor vulnerability in The Wikimedia Foundation Mediawiki…
    CVE-2019-18611 (CVSS 6.5) — An issue was discovered in the CheckUser extension through 1.34 for MediaWiki. Certain sensitive information w…
    CVE-2015-2940 (CVSS 6.8) — Cross-site request forgery (CSRF) vulnerability in the CheckUser extension for MediaWiki allows remote attacke…

    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