CVE-2024-5628: 
WordPress vulnerability analysis and mitigation

The Avada Website Builder for WordPress plugin contains a Stored Cross-Site Scripting (XSS) vulnerability in versions up to and including 3.11.9. The vulnerability exists in the plugin's fusion_button shortcode due to insufficient input sanitization and output escaping on user-supplied attributes (NVD). The vulnerability was discovered and disclosed on September 13, 2024.

The vulnerability is classified as a Stored Cross-Site Scripting (CWE-79) issue with a CVSS v3.1 base score of 5.4 (Medium) according to NVD, and 6.4 (Medium) according to Wordfence. The attack vector is network-based (AV:N), with low attack complexity (AC:L), requiring low privileges (PR:L), and user interaction (UI:R) (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 vulnerability was partially fixed in version 3.11.9, with additional hardening for alternate attack vectors added in version 3.11.10. Users are strongly recommended to update to the latest version of the plugin. Avada has released version 7.11.9 specifically addressing this security issue (Avada Blog).

Avada acknowledged the vulnerability in their official blog post, emphasizing the importance of keeping websites and plugins up-to-date. They also expressed gratitude to Wordfence for their role in identifying the vulnerability (Avada Blog).