VulnerabilityModified
CVE-2021-42045
Simple polls allow users to create alerts by changing their User-Agent HTTP header and submitting a vote.
MEDIUM 5.4EPSS 0.66%
Does this matter?
Lower severity and a low EPSS score (0.66%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 0.66% probability · 50th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- mediawiki/mediawiki
- Source
- cve@mitre.org
References
- https://gerrit.wikimedia.org/r/q/I4f04083cd00884d3b85245460774c81c7639a578Patch, Vendor Advisory
- https://phabricator.wikimedia.org/T289385Vendor Advisory
- https://gerrit.wikimedia.org/r/q/I4f04083cd00884d3b85245460774c81c7639a578Patch, Vendor Advisory
- https://phabricator.wikimedia.org/T289385Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.