CVE-2021-30152 : Vulnerability Insights and Analysis

An issue was discovered in MediaWiki before 1.31.13 and 1.32.x through 1.35.x before 1.35.2. Users could protect a page to a level higher than their permissions.

Understanding CVE-2021-30152

This vulnerability affects MediaWiki versions before 1.31.13 and 1.32.x through 1.35.x before 1.35.2, allowing users to improperly protect pages.

What is CVE-2021-30152?

CVE-2021-30152 is a security flaw in MediaWiki that enables users to protect pages beyond their assigned permissions through the MediaWiki API.

The Impact of CVE-2021-30152

Exploitation of this vulnerability could lead to unauthorized access to sensitive information, compromising the integrity of protected content.

Technical Details of CVE-2021-30152

This vulnerability in MediaWiki versions before 1.31.13 and 1.32.x through 1.35.x before 1.35.2 allows users to elevate their page protection permissions.

Vulnerability Description

By exploiting this vulnerability, users could protect pages at higher permission levels than intended, potentially exposing sensitive data.

Affected Systems and Versions

MediaWiki versions prior to 1.31.13 and 1.32.x through 1.35.x before 1.35.2 are vulnerable to this security issue.

Exploitation Mechanism

Attackers can misuse the MediaWiki API to protect pages beyond their authorized permission levels, compromising data security.

Mitigation and Prevention

To safeguard systems from CVE-2021-30152, immediate action must be taken to address this vulnerability.

Immediate Steps to Take

Update MediaWiki to version 1.31.13 or 1.35.2 to mitigate the risk of unauthorized page protection.

Long-Term Security Practices

Regularly monitor and review page protection settings to ensure users are adhering to assigned permissions.

Patching and Updates

Stay informed about security advisories and promptly apply patches to address known vulnerabilities in MediaWiki.