cbcvebase.
CVE-2021-45472
published 2021-12-24

CVE-2021-45472: In MediaWiki through 1.37, XSS can occur in Wikibase because an external identifier property can have a URL format that includes a $1 formatter substitution…

PriorityP424medium6.1CVSS 3.1
AVNACLPRNUIRSCCLILAN
EPSS
0.97%
58.6th percentile
In MediaWiki through 1.37, XSS can occur in Wikibase because an external identifier property can have a URL format that includes a $1 formatter substitution marker, and the javascript: URL scheme (among others) can be used.

Affected

2 ranges
VendorProductVersion rangeFixed in
fedoraprojectfedora
mediawikimediawiki<= 1.37

CVSS provenance

nvdv3.16.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
osv6.1MEDIUM
vendor_redhat6.1MEDIUM
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.