CVE-2024-11427: 
WordPress vulnerability analysis and mitigation

The Catch Popup plugin for WordPress contains a Stored Cross-Site Scripting vulnerability (CVE-2024-11427) that affects all versions up to and including 1.4.4. The vulnerability exists in the plugin's 'catch-popup' shortcode due to insufficient input sanitization and output escaping on user-supplied attributes (NVD). The plugin has been closed as of December 10, 2024, due to this security issue (WordPress Plugin).

The vulnerability is classified as a Stored Cross-Site Scripting (CWE-79) issue with a CVSS v3.1 Base Score of 6.4 (Medium). The attack vector is network-based (AV:N), with low attack complexity (AC:L), requiring low privileges (PR:L), no user interaction (UI:N), and having a changed scope (S:C) with low confidentiality (C:L) and integrity (I:L) impacts (NVD).

The vulnerability allows authenticated attackers with contributor-level access or higher to inject arbitrary web scripts into pages. These malicious scripts will execute whenever a user accesses the compromised page (NVD).

The plugin has been closed and is no longer available for download from the WordPress plugin repository as of December 10, 2024. Users should immediately remove this plugin from their WordPress installations as there are no patches available (WordPress Plugin).