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    CVE-2025-61650

    Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files src/Services/CheckUserUserInfoCardService.Php. This issue affects CheckUser: from * before 795bf333272206a0189050d975e94b70eb7dc507.

    Published:Feb 3, 2026
    Last Modified:Apr 15, 2026
    EPS:Feb 3, 2026
    EPSS Score:0.00065
    CVSS Score:1.1

    Affected Products

    Vendor
    Wikimedia
    Product
    Checkuser

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-58034 (CVSS 0) — Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in W…
    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-2025-61649 (CVSS 1.1) — Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files src/Servi…
    CVE-2025-61647 (CVSS 0.4) — Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files src/Api/R…

    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