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 Plugin Store Locator Plus for WordPress Privilege Escalation (5.5.14)

IBM RTC Improper Restriction of XML External Entity Reference Vulnerability (CVE-2016-9707)

PHP Other Vulnerability (CVE-2007-1887)

WordPress Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2007-6677)

WordPress Plugin Contact Form Clean and Simple Cross-Site Scripting (4.4.0)

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