CVE-2021-44857

An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. It is possible to use action=mcrundo followed by action=mcrrestore to replace the content of any arbitrary page (that the user doesn't have edit rights for). This applies to any public wiki, or a private wiki that has at least one page set in $wgWhitelistRead.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 33%
VendorProductVersion
mediawikimediawiki
𝑥
< 1.35.5
mediawikimediawiki
1.36.0 ≤
𝑥
< 1.36.3
mediawikimediawiki
1.37.0 ≤
𝑥
< 1.37.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
mediawiki
bullseye
1:1.35.13-1+deb11u2
fixed
buster
not-affected
stretch
not-affected
bullseye (security)
1:1.35.13-1+deb11u3
fixed
bookworm
1:1.39.7-1~deb12u1
fixed
bookworm (security)
1:1.39.10-1~deb12u1
fixed
sid
1:1.39.10-1
fixed
trixie
1:1.39.10-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
mediawiki
jammy
not-affected
impish
ignored
hirsute
ignored
focal
not-affected
bionic
not-affected
xenial
dne
trusty
not-affected
Common Weakness Enumeration
References
https://phabricator.wikimedia.org/T297322
https://security.gentoo.org/glsa/202305-24
https://www.mediawiki.org/wiki/2021-12_security_release/FAQ
https://phabricator.wikimedia.org/T297322
https://security.gentoo.org/glsa/202305-24
https://www.mediawiki.org/wiki/2021-12_security_release/FAQ