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    CVE-2011-1578

    Cross-site scripting (XSS) vulnerability in MediaWiki before 1.16.3, when Internet Explorer 6 or earlier is used, allows remote attackers to inject arbitrary web script or HTML via an uploaded file accessed with a dangerous extension such as .html at the end of the query string, in conjunction with a modified URI path that has a %2E sequence in place of the . (dot) character.

    Published:Apr 27, 2011
    Last Modified:Apr 11, 2025
    EPS:Apr 27, 2011
    EPSS Score:0.00698
    CVSS Score:4.3

    Affected Products

    Vendor
    Mediawiki
    Product
    Mediawiki
    Vendor
    Microsoft
    Product
    Internet Explorer

    Exploits

    https://bugzilla.wikimedia.org/show_bug.cgi?id=28235https://bugzilla.wikimedia.org/show_bug.cgi?id=28235

    Related CVEs

    CVE-2026-34095 (CVSS 0) — Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files include…
    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/…

    References

    http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058588.html
    http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058910.html
    http://lists.fedoraproject.org/pipermail/package-announce/2011-April/059232.html
    http://lists.fedoraproject.org/pipermail/package-announce/2011-April/059235.html
    http://lists.wikimedia.org/pipermail/mediawiki-announce/2011-April/000096.html
    http://openwall.com/lists/oss-security/2011/04/13/15
    http://secunia.com/advisories/44142
    http://www.debian.org/security/2011/dsa-2366
    http://www.securityfocus.com/bid/47354
    http://www.vupen.com/english/advisories/2011/0978
    http://www.vupen.com/english/advisories/2011/1100
    http://www.vupen.com/english/advisories/2011/1151
    https://bugzilla.redhat.com/show_bug.cgi?id=695577
    https://bugzilla.redhat.com/show_bug.cgi?id=696360
    https://bugzilla.wikimedia.org/show_bug.cgi?id=28235
    https://exchange.xforce.ibmcloud.com/vulnerabilities/66737
    http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058588.html
    http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058910.html
    http://lists.fedoraproject.org/pipermail/package-announce/2011-April/059232.html
    http://lists.fedoraproject.org/pipermail/package-announce/2011-April/059235.html
    http://lists.wikimedia.org/pipermail/mediawiki-announce/2011-April/000096.html
    http://openwall.com/lists/oss-security/2011/04/13/15
    http://secunia.com/advisories/44142
    http://www.debian.org/security/2011/dsa-2366
    http://www.securityfocus.com/bid/47354
    http://www.vupen.com/english/advisories/2011/0978
    http://www.vupen.com/english/advisories/2011/1100
    http://www.vupen.com/english/advisories/2011/1151
    https://bugzilla.redhat.com/show_bug.cgi?id=695577
    https://bugzilla.redhat.com/show_bug.cgi?id=696360
    https://bugzilla.wikimedia.org/show_bug.cgi?id=28235
    https://exchange.xforce.ibmcloud.com/vulnerabilities/66737

    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