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

Moodle CVE-2021-36403 Vulnerability (CVE-2021-36403)

PHP Other Vulnerability (CVE-2007-1887)

WordPress Plugin Testimonials by BestWebSoft Cross-Site Scripting (0.1.8)

WordPress Plugin Genesis Columns Advanced Cross-Site Scripting (2.0.3)

MongoDb Loop with Unreachable Exit Condition ('Infinite Loop') Vulnerability (CVE-2018-20803)

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