CVE-2023-37303

An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. In certain situations, an attempt to block a user fails after a temporary browser hang and a DBQueryDisconnectedError error message.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 41%
VendorProductVersion
mediawikimediawiki
𝑥
≤ 1.39.3
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
mediawiki
oracular
needs-triage
noble
needs-triage
mantic
ignored
lunar
ignored
kinetic
ignored
jammy
needs-triage
focal
needs-triage
bionic
needs-triage
xenial
ignored
trusty
ignored
Common Weakness Enumeration
References
https://gerrit.wikimedia.org/r/q/I10a9273c542576b3f7bb38de68dcd2aa41cfb1b0
https://phabricator.wikimedia.org/T338276
https://gerrit.wikimedia.org/r/q/I10a9273c542576b3f7bb38de68dcd2aa41cfb1b0
https://phabricator.wikimedia.org/T338276