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

IBM RTC Server-Side Request Forgery (SSRF) Vulnerability (CVE-2020-4974)

Apache HTTP Server Insufficient Verification of Data Authenticity Vulnerability (CVE-2022-31813)

Oracle Database Server CVE-2014-6538 Vulnerability (CVE-2014-6538)

Moodle Cryptographic Issues Vulnerability (CVE-2011-4303)

WordPress Plugin Smart Forms-when you need more than just a contact form Security Bypass (2.6.70)

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

Tags

Missing Update Known Vulnerabilities