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30 September 2026

Vulnerabilities first published on this day (UTC), newest first.

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All Critical High Medium Low Exploited only Public exploit

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  • Low 1.2
    CVE-2026-103585 Public exploit

    attacker-controlled javascript license URL via XSS

    Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki MediaSearch extension allows Cross-Site Scripting (XSS). This issue affects MediaWiki MediaSearch extension: 1.46, 1.45, and 1.43.

    The Wikimedia Foundation MediaWiki MediaSearch extension Web / CMS
  • Low 1.1
    CVE-2026-103584 Public exploit

    attacker-controlled javascript license URL via XSS

    Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki CommonsMetadata extension allows Cross-Site Scripting (XSS). This issue affects MediaWiki CommonsMetadata extension: 1.46, 1.45, …

    The Wikimedia Foundation MediaWiki CommonsMetadata extension Web / CMS
  • Low 1.2
    CVE-2026-103440 Public exploit

    pagetriagelist discloses suppressed reviewer usernames

    Exposure of sensitive information through data queries vulnerability in The Wikimedia Foundation MediaWiki PageTriage extension allows Information Elicitation. This issue affects MediaWiki PageTriage extension: 1.46, 1.45, and 1.43.

    The Wikimedia Foundation MediaWiki PageTriage extension Web / CMS
  • Low 1.1
    CVE-2026-103437 Public exploit

    ReadingLists imported metadata permits JavaScript URL XSS

    Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki ReadingLists extension allows Reflected XSS. This issue affects MediaWiki ReadingLists extension: 1.46 and 1.45.

    The Wikimedia Foundation MediaWiki ReadingLists extension Web / CMS
  • Low 1.2
    CVE-2026-103445 Public exploit

    Stored XSS through PageForms #autoedit redirect links

    Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki Page_Forms extension allows Stored XSS. This issue affects MediaWiki Page_Forms extension: 1.46, 1.45, and 1.43.

    The Wikimedia Foundation MediaWiki Page_Forms extension Web / CMS