Main Vulnerability Database Vulnerabilities #VU52032

Information disclosure in MediaWiki - CVE-2021-30153

Published: April 12, 2021

Vulnerability identifier: #VU52032

CSH Severity: Low

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2021-30153

CWE-ID: CWE-200

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: MediaWiki.org

Affected software:
MediaWiki

Detailed vulnerability description

The vulnerability allows a remote user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the ApiVisualEditor. A remote user can obtain information about hidden application users.

Install updates from vendor's website.