Access Restriction Bypass Affecting mediawiki/core package, versions >=1.32.0, <1.35.2<1.31.12


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
0.08% (36th percentile)

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  • Snyk IDSNYK-PHP-MEDIAWIKICORE-1244519
  • published9 Apr 2021
  • disclosed9 Apr 2021
  • creditUnknown

Introduced: 9 Apr 2021

CVE-2021-30156  (opens in a new tab)
CWE-284  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade mediawiki/core to version 1.35.2, 1.31.12 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 Access Restriction Bypass. An issue was discovered in MediaWiki where Special:Contributions can leak that a "hidden" user exists.

References

CVSS Scores

version 3.1