WooCommerce Ultimate Gift Card - Arbitrary File Upload (CVE-2024-8425)

CVE-2024-8425 is a critical vulnerability in the WooCommerce Ultimate Gift Card plugin for WordPress that allows unauthenticated attackers to upload arbitrary files due to insufficient file type validation. Exploiting this flaw could enable remote code execution on the affected server, potentially leading to full site compromise and further malicious activity.

CrowdSec has been tracking this vulnerability and its exploits since 24th of September 2025.

CrowdSec network data shows that most actors exploiting CVE-2024-8425 rely on broad, untargeted scans with minimal filtering. The activity is largely automated and opportunistic in nature. Additionally, according to week-over-week analysis by CrowdSec, exploitation of CVE-2024-8425 is surging. Attack volumes are spiking well above historical norms, indicating widespread and escalating interest from threat actors. CVE-2024-8425 is currently experiencing high visibility and active exploitation across the internet.

Attackers exploit the WooCommerce Ultimate Gift Card plugin by sending POST requests to /wp-admin/admin-ajax.php with the action=mwb_wgm_preview_mail parameter, uploading arbitrary files that are then accessible under /wp-content/uploads/mwb_browse/.