CVE-2024-2803: 
WordPress vulnerability analysis and mitigation

The ElementsKit Elementor addons plugin for WordPress (CVE-2024-2803) contains a Stored Cross-Site Scripting vulnerability in its countdown widget, affecting all versions up to and including 3.0.6. The vulnerability was disclosed on April 3, 2024, and impacts the WordPress plugin ecosystem (NVD).

The vulnerability stems from insufficient input sanitization and output escaping on user-supplied attributes in the countdown widget component. The issue has been assigned a CVSS v3.1 base score of 5.4 (Medium) by NIST with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N, while Wordfence assessed it at 6.4 (Medium) with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N. The vulnerability is classified as CWE-79: Improper Neutralization of Input During Web Page Generation (NVD).

When exploited, this 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, potentially leading to data theft, session hijacking, or other malicious actions (NVD).

The vulnerability requires an authenticated user with at least contributor-level privileges to exploit. The attack complexity is considered low, requiring network access and no special conditions for exploitation (NVD).

Users are advised to update their ElementsKit Elementor addons plugin to version 3.1.0 or later, which contains the security fix for this vulnerability (WordPress Patch).