CVE-2016-6334

MEDIUM

MediaWiki <1.23.15, <1.26.x-<1.26.4, <1.27.x-<1.27.1 - XSS

Title source: llm
STIX 2.1

Description

Cross-site scripting (XSS) vulnerability in the Parser::replaceInternalLinks2 method in MediaWiki before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1 allows remote attackers to inject arbitrary web script or HTML via vectors involving replacement of percent encoding in unclosed internal links.

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/98057
Mailing List, Patch, Vendor Advisory mailing-list x_refsource_mlist
https://lists.wikimedia.org/pipermail/mediawiki-announce/2016-August/000195.html
Issue Tracking x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1369613
Patch, Third Party Advisory x_refsource_confirm
https://phabricator.wikimedia.org/T137264

Scores

CVSS v3 6.1
EPSS 0.0022
EPSS Percentile 44.5%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (7)
mediawiki/mediawiki 1.26.0
mediawiki/mediawiki 1.26.1
mediawiki/mediawiki 1.26.2
mediawiki/mediawiki 1.26.3
mediawiki/mediawiki 1.26.4
mediawiki/mediawiki 1.27.0
mediawiki/mediawiki < 1.23.14
Published Apr 20, 2017
Tracked Since Feb 18, 2026