CVE-2016-6337

7.5 HIGH

Published: April 20, 2017 Modified: May 13, 2026

Description

MediaWiki 1.27.x before 1.27.1 might allow remote attackers to bypass intended session access restrictions by leveraging a call to the UserGetRights function after Session::getAllowedUserRights.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://lists.wikimedia.org/pipermail/mediawiki-announce/2016-August/000195.html

Source: secalert@redhat.com

Mailing List Patch Vendor Advisory

https://phabricator.wikimedia.org/T139670

Source: secalert@redhat.com

Patch Third Party Advisory

https://lists.wikimedia.org/pipermail/mediawiki-announce/2016-August/000195.html

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing List Patch Vendor Advisory

https://phabricator.wikimedia.org/T139670

Source: af854a3a-2127-422b-91ae-364da2661108

Patch Third Party Advisory

4 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.5 / 10.0

EPSS (Exploit Probability)

1.2%

65th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-284

Affected Vendors

mediawiki

Related CVEs