CVE-2013-4568

NameCVE-2013-4568
DescriptionIncomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting (XSS) attacks via certain non-ASCII characters in CSS, as demonstrated using variations of "expression" containing (1) full width characters or (2) IPA extensions, which are converted and rendered by Internet Explorer.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-2891-1
NVD severitymedium (attack range: remote)
Debian Bugs729629

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
mediawiki (PTS)wheezy (security), wheezy1:1.19.20+dfsg-0+deb7u3fixed
mediawiki-extensions (PTS)wheezy (security), wheezy3.5~deb7u2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
mediawikisource(unstable)1:1.19.8+dfsg-2.2medium729629
mediawikisourcesqueeze(unfixed)end-of-life
mediawikisourcewheezy1:1.19.14+dfsg-0+deb7u1mediumDSA-2891-1
mediawiki-extensionssourcewheezy3.5~deb7u1mediumDSA-2891-1

Notes

https://bugzilla.wikimedia.org/show_bug.cgi?id=55332

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