DescriptionCross-site scripting (XSS) vulnerability in the Special:Block implementation in the getContribsLink function in SpecialBlockip.php in MediaWiki 1.14.0 and 1.15.0 allows remote attackers to inject arbitrary web script or HTML via the ip parameter.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium
Debian Bugs537634

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
mediawiki (PTS)stretch1:1.27.7-1~deb9u3fixed
stretch (security)1:1.27.7-1~deb9u7fixed
buster (security)1:1.31.12-1~deb10u1fixed
bullseye, sid1:1.35.1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
mediawikisourceetch(not affected)
mediawikisourcelenny(not affected)
mediawiki1.7sourceetch(not affected)


[etch] - mediawiki <not-affected> (metapackage)
[etch] - mediawiki1.7 <not-affected> (vulnerably code introduced in 1.14.0)
[lenny] - mediawiki <not-affected> (vulnerably code introduced in 1.14.0)
fixed in upstream 1.15.1

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