CVE-2022-30852
PHP vulnerability analysis and mitigation

Overview

Known v1.3.1 was discovered to contain an Insecure Direct Object Reference (IDOR) vulnerability. The vulnerability was identified in May 2022 and affects the Known PHP CMS software developed by WithKnown (WithKnown, Known Github).

Technical details

The vulnerability exists in the Homepage class under the Idno\Pages\Admin namespace, specifically in the getContent() and postContent() functions. While other admin panel pages are secured with the adminGatekeeper() function, the Homepage class uses createGatekeeper() instead, which only verifies if a user is logged in rather than checking for administrative privileges (Security Blog).

Impact

The vulnerability allows any logged-in user to access certain settings in the admin panel that control content display on the site frontend, effectively bypassing the intended administrative access controls (NVD).

Mitigation and workarounds

The vulnerability can be patched by replacing the createGatekeeper() function with adminGatekeeper() in the affected code. This ensures that only users with administrative privileges can access the admin panel settings (Security Blog).

Additional resources


SourceThis report was generated using AI

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