VIR Vulnerability Intelligence Relay

CVE-2016-6334

medium
Published 2017-04-20 · Modified 2026-05-13
CVSS v3
6.1
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
VIR risk
6.1

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.

Predictions

Exploit likelihood
71%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

OS impact
OSVersionStatusFixed in
debian debianbookwormfixed1:1.27.1-1
debian debianbullseyefixed1:1.27.1-1
debian debianforkyfixed1:1.27.1-1
debian debiansidfixed1:1.27.1-1
debian debiantrixiefixed1:1.27.1-1

Application impact
VendorProductVersionsFixed
mediawikimediawiki{"endIncluding":"1.23.14"}
mediawikimediawiki1.26.0
mediawikimediawiki1.26.1
mediawikimediawiki1.26.2
mediawikimediawiki1.26.3
mediawikimediawiki1.26.4
mediawikimediawiki1.27.0

References

CWEs

CWE-79

💬 Discuss CVE-2016-6334 on VIR Community →

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.