Description

An issue was discovered in the VisualEditor extension in MediaWiki before 1.31.13, and 1.32.x through 1.35.x before 1.35.2. . When using VisualEditor to edit a MediaWiki user page belonging to an existing, but hidden, user, VisualEditor will disclose that the user exists. (It shouldn't because they are hidden.) This is related to ApiVisualEditor.

Remediation

References

CVE-2021-30153

Related Vulnerabilities

Lighttpd Resource Management Errors Vulnerability (CVE-2012-5533)

WordPress Plugin Gravity Forms Directory Cross-Site Scripting (3.7.1)

WordPress Plugin Scroll Baner Cross-Site Request Forgery (1.0)

WordPress Plugin Tera Charts Multiple Local File Inclusion Vulnerabilities (0.1)

YetiForce CRM Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2022-3002)

Severity

Medium

Classification

CVE-2021-30153 CWE-668 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Tags

Missing Update Known Vulnerabilities