Information Exposure Affecting mediawiki/core package, versions <1.31.13>=1.32.0, <1.35.2


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.14% (50th percentile)

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  • Snyk IDSNYK-PHP-MEDIAWIKICORE-5425053
  • published16 Apr 2023
  • disclosed16 Apr 2023
  • creditUnknown

Introduced: 16 Apr 2023

CVE-2021-30153  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade mediawiki/core to version 1.31.13, 1.35.2 or higher.

Overview

mediawiki/core is a Free software wiki application developed by the Wikimedia Foundation and others.

Note: This package is not maintained on Packagist anymore, but newer releases exist.

Affected versions of this package are vulnerable to Information Exposure when using VisualEditor to edit a MediaWiki user page belonging to an existing, but hidden, user. VisualEditor will disclose that the user exists.

CVSS Scores

version 3.1