Medium severity · published Oct 6, 2021
CVE-2021-42045
An issue was discovered in SecurePoll in the Growth extension in MediaWiki through 1.36.2
5.4
CVSS
0.7%
EPSS
No
On KEV
Description
An issue was discovered in SecurePoll in the Growth extension in MediaWiki through 1.36.2. Simple polls allow users to create alerts by changing their User-Agent HTTP header and submitting a vote.
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)0.7% · higher than 51% 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-2021-42045
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-42045
Patch
https://gerrit.wikimedia.org/r/q/I4f04083cd00884d3b85245460774c81c7639a578
Vendor Advisory
https://phabricator.wikimedia.org/T289385
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