Vulnerability Description
In MediaWiki through 1.37, Wikibase item descriptions allow XSS, which is triggered upon a visit to an action=info URL (aka a page-information sidebar).
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 | <= 1.3.7 |
| Fedoraproject | Fedora | 35 |
Related Weaknesses (CWE)
References
- https://gerrit.wikimedia.org/r/q/I3cd080a1a7dacd7396d37ee0c98cff0b4e241f8dThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://phabricator.wikimedia.org/T294693ExploitThird Party Advisory
- https://gerrit.wikimedia.org/r/q/I3cd080a1a7dacd7396d37ee0c98cff0b4e241f8dThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://phabricator.wikimedia.org/T294693ExploitThird Party Advisory
FAQ
What is CVE-2021-45473?
CVE-2021-45473 is a vulnerability with a CVSS score of 6.1 (MEDIUM). In MediaWiki through 1.37, Wikibase item descriptions allow XSS, which is triggered upon a visit to an action=info URL (aka a page-information sidebar).
How severe is CVE-2021-45473?
CVE-2021-45473 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-2021-45473?
Check the references section above for vendor advisories and patch information. Affected products include: Mediawiki Mediawiki, Fedoraproject Fedora.