CVE-2025-66074: WordPress WP Webhooks plugin <= 3.3.8 - Arbitrary File Upload vulnerability

Severity: critical (CVSS 9.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-12-18 · updated 2026-06-17
Weakness: CWE-434

Description

Unrestricted Upload of File with Dangerous Type vulnerability in Cozmoslabs WP Webhooks wp-webhooks allows Path Traversal.This issue affects WP Webhooks: from n/a through <= 3.3.8.

Affected products

Cozmoslabs WP Webhooks: through 3.3.8

References

https://patchstack.com/database/Wordpress/Plugin/wp-webhooks/vulnerability/wordpress-wp-webhooks-plugin-3-3-8-arbitrary-file-upload-vulnerability?_s_id=cve

Get alerted when CVE-2025-66074 or the next vulnerability affects your stack