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

WordPress 5.2.x Multiple Vulnerabilities (5.2 - 5.2.19)

Joomla! Core 2.5.x Security Bypass (2.5.0 - 2.5.18)

XWiki Improper Handling of Exceptional Conditions Vulnerability (CVE-2023-26479)

WordPress Plugin Search Engine Unspecified Vulnerability (0.5.8)

MediaWiki Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2023-37256)

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