CVE-2016-6334

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Summary

CVECVE-2016-6334
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-04-20 17:59:00 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionCross-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.

Risk And Classification

Primary CVSS: v3.0 6.1 MEDIUM from [email protected]

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Problem Types: CWE-79 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary6.1MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
2.0[email protected]Primary4.3AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None

AV:N/AC:M/Au:N/C:N/I:P/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Mediawiki Mediawiki 1.26.0 All All All
Application Mediawiki Mediawiki 1.26.1 All All All
Application Mediawiki Mediawiki 1.26.2 All All All
Application Mediawiki Mediawiki 1.26.3 All All All
Application Mediawiki Mediawiki 1.26.4 All All All
Application Mediawiki Mediawiki 1.27.0 All All All
Application Mediawiki Mediawiki All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
[MediaWiki-announce] Security Release - 1.27.1, 1.26.4, 1.23.15 af854a3a-2127-422b-91ae-364da2661108 lists.wikimedia.org Mailing List, Patch, Vendor Advisory
1369613 – (CVE-2016-6331, CVE-2016-6332, CVE-2016-6333, CVE-2016-6334, CVE-2016-6335, CVE-2016-6336) CVE-2016-6331 CVE-2016-6332 CVE-2016-6333 CVE-2016-6334 CVE-2016-6335 CVE-2016-6336 mediawiki: multiple flaws fixed in 1.27.1, 1.26.4 and 1.23.15 af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Issue Tracking
Mediawiki 'Parser::replaceInternalLinks2()' Method Cross-Site Scripting Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
⚓ T137264 XSS in Parser::replaceInternalLinks2 during replacement of percent encoding in unclosed internal links af854a3a-2127-422b-91ae-364da2661108 phabricator.wikimedia.org Patch, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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