Medium severity · published Jan 12, 2024
CVE-2024-23172
An issue was discovered in the CheckUser extension in MediaWiki before 1.35.14, 1.36.x through 1.39.x before 1.39.6, and 1.40.x before 1.40.2
5.4
CVSS
0.5%
EPSS
No
On KEV
Description
An issue was discovered in the CheckUser extension in MediaWiki before 1.35.14, 1.36.x through 1.39.x before 1.39.6, and 1.40.x before 1.40.2. XSS can occur via message definitions. e.g., in SpecialCheckUserLog.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ME
Mediawiki · Mediawiki
before 1.35.14; 1.36.0 before 1.39.6; 1.40.0 before 1.40.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-23172
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-23172
Patch
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/CheckUser/+/989179
Exploit
https://phabricator.wikimedia.org/T347708
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