PT-2020-14240

CVE-2020-15164

Published

2020-08-28

Updated

2021-11-18

Description by

CVSS 3.1

Critical

MetricsAV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

Name of the Vulnerable Software and Affected Versions Scratch Login (MediaWiki extension) versions prior to 1.1

Description The issue allows any account to be logged into by using the same username with leading, trailing, or repeated underscore(s), as these are treated as whitespace and trimmed by MediaWiki. This affects all users on any wiki using the Scratch Login extension.

Recommendations For versions prior to 1.1, update to version 1.1 or later to resolve the issue.

Exploitability

Fix

Impacts

Researchers