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    CVE-2012-1582

    Cross-site scripting (XSS) vulnerability in the wikitext parser in MediaWiki 1.17.x before 1.17.3 and 1.18.x before 1.18.2 allows remote attackers to inject arbitrary web script or HTML via a crafted page with "forged strip item markers," as demonstrated using the CharInsert extension.

    Published:Sep 9, 2012
    Last Modified:Apr 11, 2025
    EPS:Sep 9, 2012
    EPSS Score:0.00733
    CVSS Score:4.3

    Affected Products

    Vendor
    Mediawiki
    Product
    Mediawiki

    Exploits

    No exploit reference

    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.wikimedia.org/pipermail/mediawiki-announce/2012-March/000109.html
    http://lists.wikimedia.org/pipermail/mediawiki-announce/2012-March/000110.html
    http://osvdb.org/80363
    http://secunia.com/advisories/48504
    http://www.openwall.com/lists/oss-security/2012/03/22/9
    http://www.openwall.com/lists/oss-security/2012/03/24/1
    http://www.securityfocus.com/bid/52689
    https://bugzilla.wikimedia.org/show_bug.cgi?id=35315
    https://exchange.xforce.ibmcloud.com/vulnerabilities/74288
    http://lists.wikimedia.org/pipermail/mediawiki-announce/2012-March/000109.html
    http://lists.wikimedia.org/pipermail/mediawiki-announce/2012-March/000110.html
    http://osvdb.org/80363
    http://secunia.com/advisories/48504
    http://www.openwall.com/lists/oss-security/2012/03/22/9
    http://www.openwall.com/lists/oss-security/2012/03/24/1
    http://www.securityfocus.com/bid/52689
    https://bugzilla.wikimedia.org/show_bug.cgi?id=35315
    https://exchange.xforce.ibmcloud.com/vulnerabilities/74288

    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