CWE
306 284
Advisory Published
CVE Published
Updated

CVE-2019-12468

First published: Thu Jun 06 2019(Updated: )

An Incorrect Access Control vulnerability was found in Wikimedia MediaWiki 1.27.0 through 1.32.1. Directly POSTing to Special:ChangeEmail would allow for bypassing re-authentication, allowing for potential account takeover.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
composer/mediawiki/core>=1.27.0<1.27.6>=1.30.0<1.30.2>=1.31.0<1.31.2>=1.32.0<1.32.2
debian/mediawiki
1:1.31.16-1+deb10u2
1:1.31.16-1+deb10u6
1:1.35.11-1~deb11u1
1:1.35.13-1~deb11u1
1:1.39.4-1~deb12u1
1:1.39.5-1~deb12u1
1:1.39.5-1
composer/mediawiki/core>=1.32.0<1.32.2
1.32.2
composer/mediawiki/core>=1.31.0<1.31.2
1.31.2
composer/mediawiki/core>=1.30.0<1.30.2
1.30.2
composer/mediawiki/core>=1.27.0<1.27.6
1.27.6
Wikimedia MediaWiki>=1.27.0<=1.32.1
Debian GNU/Linux=9.0

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Frequently Asked Questions

  • What is the severity of CVE-2019-12468?

    CVE-2019-12468 is classified as an Incorrect Access Control vulnerability that could potentially lead to account takeover.

  • How do I fix CVE-2019-12468?

    To fix CVE-2019-12468, upgrade your Wikimedia MediaWiki installation to version 1.32.2 or apply relevant patches available for versions 1.27.6, 1.30.2, or 1.31.2.

  • Which versions of MediaWiki are affected by CVE-2019-12468?

    CVE-2019-12468 affects MediaWiki versions 1.27.0 through 1.32.1, specifically 1.27.0 to 1.27.6, 1.30.0 to 1.30.2, 1.31.0 to 1.31.2, and 1.32.0 to 1.32.2.

  • What are the consequences of CVE-2019-12468?

    The consequences of CVE-2019-12468 include the potential for unauthorized users to change account email addresses without re-authentication, leading to account takeover.

  • Is there a workaround for CVE-2019-12468?

    There are no documented workarounds for CVE-2019-12468; upgrading to a secure version is the recommended mitigation.

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