CVE-2021-30156

NameCVE-2021-30156
DescriptionAn issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. Special:Contributions can leak that a "hidden" user exists.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
mediawiki (PTS)bullseye1:1.35.13-1+deb11u2fixed
bullseye (security)1:1.35.13-1+deb11u3fixed
bookworm, bookworm (security)1:1.39.10-1~deb12u1fixed
trixie, sid1:1.39.10-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
mediawikisource(unstable)(not affected)

Notes

- mediawiki <not-affected> (Not a security issue on release branches, only affected master)
https://phabricator.wikimedia.org/T276306
CVE description is wrong

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