The Avada WordPress theme is vulnerable to stored cross-site scripting due to improper neutralization of input in shortcode attributes. This allows authenticated users with contributor or higher privileges to inject arbitrary JavaScript that executes in the context of other users viewing the injected pages. The vulnerability affects all versions up to 7.11.6 and is classified under CWE-79. The CVSS 3.1 base score is 6.4, reflecting network attack vector, low attack complexity, required privileges at the contributor level, no user interaction, and impacts on confidentiality and integrity but not availability.

An attacker with contributor-level or higher permissions can exploit this vulnerability to inject malicious scripts into pages via shortcodes. These scripts execute in the browsers of users who visit the compromised pages, potentially leading to theft of sensitive information, session hijacking, or other actions that compromise user confidentiality and integrity. The vulnerability does not affect availability. There are no known exploits in the wild currently.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict contributor-level permissions to trusted users only and consider disabling or limiting the use of shortcodes that accept user input. Monitor vendor channels for updates and apply patches promptly once available.