Medium severity · published Oct 6, 2021
CVE-2021-42044
An issue was discovered in the Mentor dashboard in the GrowthExperiments extension in MediaWiki through 1.36.2
4.8
CVSS
0.6%
EPSS
No
On KEV
Description
An issue was discovered in the Mentor dashboard in the GrowthExperiments extension in MediaWiki through 1.36.2. The Growthexperiments-mentor-dashboard-mentee-overview-add-filter-total-edits-headline, growthexperiments-mentor-dashboard-mentee-overview-add-filter-starred-headline, growthexperiments-mentor-dashboard-mentee-overview-info-text, growthexperiments-mentor-dashboard-mentee-overview-info-legend-headline, and growthexperiments-mentor-dashboard-mentee-overview-active-ago MediaWiki messages were not being properly sanitized and allowed for the injection and execution of HTML and JavaScript.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ME
Mediawiki · Mediawiki
through 1.36.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-42044
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-42044
Patch
https://gerrit.wikimedia.org/r/q/I858d55fb2eca9b50ac6ef5a6f2a7b2784f0fa0d6
Exploit
https://phabricator.wikimedia.org/T289408
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