Medium severity · published Mar 19, 2020
CVE-2019-16529
An issue was discovered in the CheckUser extension through 1.35.0 for MediaWiki
5.3
CVSS
0.9%
EPSS
No
On KEV
Description
An issue was discovered in the CheckUser extension through 1.35.0 for MediaWiki. Oversighted edit summaries are still visible in CheckUser results in violation of MediaWiki's permissions model.
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)0.9% · higher than 59% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CH
Checkuser · Mediawiki
through 1.35 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-16529
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-16529
Permissions Required
https://phabricator.wikimedia.org/T207094
Patch
https://phabricator.wikimedia.org/rECHU22ddd638ba79903361df88c755232a532cbdbfb3
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