CVE-2021-30458: An issue was discovered in Wikimedia Parsoid before 0.11.1 and 0.12.x before 0.12.2. An attacker can send crafted wikitext that Utils/WTUtils.php will…

PriorityP427medium6.1CVSS 3.1

AVNACLPRNUIRSCCLILAN

EPSS

0.98%

58.6th percentile

An issue was discovered in Wikimedia Parsoid before 0.11.1 and 0.12.x before 0.12.2. An attacker can send crafted wikitext that Utils/WTUtils.php will transform by using a tag, bypassing sanitization steps, and potentially allowing for XSS.

Affected

9 ranges

Vendor	Product	Version range	Fixed in
debian	mediawiki	< mediawiki 1:1.35.2-1 (bookworm)	mediawiki 1:1.35.2-1 (bookworm)
mediawiki	mediawiki	>= 0 < 1:1.35.2-1	1:1.35.2-1
mediawiki	mediawiki	>= 0 < 1:1.35.2-1	1:1.35.2-1
mediawiki	mediawiki	>= 0 < 1:1.35.2-1	1:1.35.2-1
mediawiki	mediawiki	>= 0 < 1:1.35.2-1	1:1.35.2-1
wikimedia	parsoid	< 0.11.1	0.11.1
wikimedia	parsoid	>= 0 < 0.11.1	0.11.1
wikimedia	parsoid	>= 0.12 < 0.12.2	0.12.2
wikimedia	parsoid	>= 0.12.0 < 0.12.2	0.12.2

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_debian6.1MEDIUM

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