Medium severity · published Jan 20, 2023
CVE-2022-39193
An issue was discovered in the CheckUser extension for MediaWiki through 1.39.x
5.3
CVSS
0.6%
EPSS
No
On KEV
Description
An issue was discovered in the CheckUser extension for MediaWiki through 1.39.x. Various components of this extension can expose information on the performer of edits and logged actions. This information should not allow public viewing: it is supposed to be viewable only by users with suppression rights.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ME
Mediawiki · Mediawiki
1.39.0; 1.39.0; 1.39.0; 1.39.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-39193
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-39193
Exploit
https://phabricator.wikimedia.org/T311337
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