CVE-2020-25814

published 2020-09-27

CVE-2020-25814: In MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4, XSS related to jQuery can occur. The attacker creates a message with [javascript:payload…

Priority P4 26 medium 6.1 CVSS 3.1

AV N AC L PR N UI R S C C L I L A N

In MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4, XSS related to jQuery can occur. The attacker creates a message with [javascript:payload xss] and turns it into a jQuery object with mw.message().parse(). The expected result is that the jQuery object does not contain an tag (or it does not have a href attribute, or it's empty, etc.). The actual result is that the object contains an <a href ="javascript... that executes when clicked.

Affected

11 ranges

Vendor	Product	Version range	Fixed in
debian	mediawiki	< mediawiki 1:1.35.0-1 (bookworm)	mediawiki 1:1.35.0-1 (bookworm)
fedoraproject	fedora	—	—
mediawiki	core	>= 1.31.0 < 1.31.9	1.31.9
mediawiki	core	>= 1.32.0 < 1.34.3	1.34.3
mediawiki	core	>= 1.35.0-rc.0 < 1.35.0	1.35.0
mediawiki	mediawiki	< 1.31.10	1.31.10
mediawiki	mediawiki	>= 0 < 1:1.35.0-1	1:1.35.0-1
mediawiki	mediawiki	>= 0 < 1:1.35.0-1	1:1.35.0-1
mediawiki	mediawiki	>= 0 < 1:1.35.0-1	1:1.35.0-1
mediawiki	mediawiki	>= 0 < 1:1.35.0-1	1:1.35.0-1
mediawiki	mediawiki	>= 1.32.0 < 1.34.4	1.34.4

CVSS provenance

nvd v3.1 6.1 MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

nvd v2.0 4.3 MEDIUM AV:N/AC:M/Au:N/C:N/I:P/A:N

osv 6.1 MEDIUM

vendor_debian 6.1 MEDIUM

vendor_redhat 6.1 MEDIUM

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CWE-79