High severity · published Jan 10, 2022
CVE-2021-46147
An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1
8.8
CVSS
0.5%
EPSS
No
On KEV
Description
An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. MassEditRegex allows CSRF.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ME
Mediawiki · Mediawiki
before 1.35.5; 1.36.0 before 1.36.3; 1.37.0 before 1.37.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-46147
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-46147
Third Party Advisory
https://gerrit.wikimedia.org/r/q/I5980de35b0a01b5242b68b7b0bdc08adf5d968d8
Third Party Advisory
https://phabricator.wikimedia.org/T293341
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