Vulnerability 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 Score
6.1
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mediawiki | Mediawiki | <= 1.36.2 |
Related Weaknesses (CWE)
References
- https://gerrit.wikimedia.org/r/q/Ib7f9b009730fe0df283cec1169f84c7a83a58b1dPatchVendor Advisory
- https://gerrit.wikimedia.org/r/q/Id2204fb5afe591d63764466de35ac0aaa5999983PatchVendor Advisory
- https://phabricator.wikimedia.org/T286385Vendor Advisory
- https://gerrit.wikimedia.org/r/q/Ib7f9b009730fe0df283cec1169f84c7a83a58b1dPatchVendor Advisory
- https://gerrit.wikimedia.org/r/q/Id2204fb5afe591d63764466de35ac0aaa5999983PatchVendor Advisory
- https://phabricator.wikimedia.org/T286385Vendor Advisory
FAQ
What is CVE-2021-42046?
CVE-2021-42046 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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 JavaSc...
How severe is CVE-2021-42046?
CVE-2021-42046 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-42046?
Check the references section above for vendor advisories and patch information. Affected products include: Mediawiki Mediawiki.