Description

An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. Special:Contributions can leak that a "hidden" user exists.

Remediation

References

CVE-2021-30156

Related Vulnerabilities

WordPress Permissions, Privileges, and Access Controls Vulnerability (CVE-2009-2853)

OpenSSL NULL Pointer Dereference Vulnerability (CVE-2023-0401)

WebLogic CVE-2016-3510 Vulnerability (CVE-2016-3510)

MediaWiki CVE-2019-12472 Vulnerability (CVE-2019-12472)

WordPress Plugin Front-End Only Users Cross-Site Scripting (3.1.10)

Severity

Medium

Classification

CVE-2021-30156 CWE-732 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Tags

Missing Update Known Vulnerabilities