VulnerabilityModified
CVE-2021-42046
The rev-deleted-user and ntimes messages were not properly escaped and allowed for users to inject HTML and JavaScript.
MEDIUM 6.1EPSS 0.86%
Does this matter?
Lower severity and a low EPSS score (0.86%). Track it; it rarely justifies an emergency change on its own.
Description
An issue was discovered in the GlobalWatchlist extension in MediaWiki through 1.36.2. The rev-deleted-user and ntimes messages were not properly escaped and allowed for users to inject HTML and JavaScript.
- CVSS 3.1
- 6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 0.86% probability · 57th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- mediawiki/mediawiki
- Source
- cve@mitre.org
References
- https://gerrit.wikimedia.org/r/q/Ib7f9b009730fe0df283cec1169f84c7a83a58b1dPatch, Vendor Advisory
- https://gerrit.wikimedia.org/r/q/Id2204fb5afe591d63764466de35ac0aaa5999983Patch, Vendor Advisory
- https://phabricator.wikimedia.org/T286385Vendor Advisory
- https://gerrit.wikimedia.org/r/q/Ib7f9b009730fe0df283cec1169f84c7a83a58b1dPatch, Vendor Advisory
- https://gerrit.wikimedia.org/r/q/Id2204fb5afe591d63764466de35ac0aaa5999983Patch, Vendor Advisory
- https://phabricator.wikimedia.org/T286385Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.