Authentication Bypass

Affecting mediawiki/core package, versions >=1.27.0, <1.27.6 || >=1.30.0, <1.30.2 || >=1.31.0, <1.31.2 || >=1.32.0, <1.32.2

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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 Authentication Bypass. Directly POSTing to Special:ChangeEmail would allow for bypassing re-authentication, allowing for potential account takeover.

Remediation

Upgrade mediawiki/core to version 1.27.6, 1.30.2, 1.31.2, 1.32.2 or higher.

References

CVSS Score

9.8
critical severity
  • Attack Vector
    Network
  • Attack Complexity
    Low
  • Privileges Required
    None
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    High
  • Integrity
    High
  • Availability
    High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:R
Credit
Unknown
CVE
CVE-2019-12468
CWE
CWE-287
Snyk ID
SNYK-PHP-MEDIAWIKICORE-1041743
Disclosed
19 Nov, 2020
Published
19 Nov, 2020