Access Restriction Bypass

Affecting mediawiki/core package, versions <1.31.12 || >=1.32.0, <1.35.2

Report new vulnerabilities
Do your applications use this vulnerable package? Test your applications

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. ContentModelChange does not check if a user has correct permissions to create and set the content model of a nonexistent page.

Remediation

Upgrade mediawiki/core to version 1.31.12, 1.35.2 or higher.

References

CVSS Score

4.2
medium severity
  • Attack Vector
    Network
  • Attack Complexity
    High
  • Privileges Required
    None
  • User Interaction
    Required
  • Scope
    Unchanged
  • Confidentiality
    Low
  • Integrity
    Low
  • Availability
    None
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:R
Credit
Unknown
CVE
CVE-2021-30155
CWE
CWE-284
Snyk ID
SNYK-PHP-MEDIAWIKICORE-1244524
Disclosed
09 Apr, 2021
Published
09 Apr, 2021