CVE-2021-30153

EUVD-2021-17089
An issue was discovered in the VisualEditor extension in MediaWiki before 1.31.13, and 1.32.x through 1.35.x before 1.35.2. . When using VisualEditor to edit a MediaWiki user page belonging to an existing, but hidden, user, VisualEditor will disclose that the user exists. (It shouldn't because they are hidden.) This is related to ApiVisualEditor.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CISA-ADPADP
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 41%
Affected Products (NVD)
VendorProductVersion
mediawikimediawiki
𝑥
< 1.31.13
mediawikimediawiki
1.32.0 ≤
𝑥
< 1.35.2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
mediawiki
bookworm
1:1.39.7-1~deb12u1
fixed
bookworm (security)
1:1.39.10-1~deb12u1
fixed
bullseye
1:1.35.13-1+deb11u2
fixed
bullseye (security)
1:1.35.13-1+deb11u3
fixed
buster
not-affected
sid
1:1.39.10-1
fixed
stretch
not-affected
trixie
1:1.39.10-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
mediawiki
bionic
not-affected
focal
not-affected
groovy
ignored
hirsute
not-affected
impish
not-affected
jammy
not-affected
trusty
dne
xenial
dne
Common Weakness Enumeration
References
https://lists.wikimedia.org/hyperkitty/list/wikitech-l%40lists.wikimedia.org/message/XYBF5RSTJRMVCP7QBYK7643W75A3KCIY/
https://lists.wikimedia.org/pipermail/wikitech-l/2021-April/094418.html
https://phabricator.wikimedia.org/T270453
https://lists.wikimedia.org/hyperkitty/list/wikitech-l%40lists.wikimedia.org/message/XYBF5RSTJRMVCP7QBYK7643W75A3KCIY/
https://lists.wikimedia.org/pipermail/wikitech-l/2021-April/094418.html
https://phabricator.wikimedia.org/T270453