CVE-2021-36132

HIGH

MediaWiki < 1.36 - Incorrect Authorization in FileImporter Extension

Title source: llm
STIX 2.1

Description

An issue was discovered in the FileImporter extension in MediaWiki through 1.36. For certain relaxed configurations of the $wgFileImporterRequiredRight variable, it might not validate all appropriate user rights, thus allowing a user with insufficient rights to perform operations (specifically file uploads) that they should not be allowed to perform.

References (2)

Core 2
Core References
Exploit, Patch, Vendor Advisory x_refsource_misc
https://phabricator.wikimedia.org/T280590

Scores

CVSS v3 8.8
EPSS 0.0025
EPSS Percentile 48.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-863
Status published
Products (1)
mediawiki/mediawiki < 1.36
Published Jul 02, 2021
Tracked Since Feb 18, 2026