Description
An issue was discovered in the ProofreadPage (aka Proofread Page) extension for MediaWiki through 1.39.3. In includes/Page/PageContentHandler.php and includes/Page/PageDisplayHandler.php, hidden users can be exposed via public interfaces.
Remediation
References
Related Vulnerabilities
WordPress Plugin ActiveCampaign-Forms, Site Tracking, Live Chat Unspecified Vulnerability (5.7)
WordPress Plugin Multiple Roles Cross-Site Request Forgery (1.3.1)
WordPress Plugin WP to Twitter Authorization Bypass (2.9.3)
MySQL CVE-2015-4802 Vulnerability (CVE-2015-4802)
Jboss EAP Deserialization of Untrusted Data Vulnerability (CVE-2019-17267)