Arbitrary file upload in Cozmoslabs Wp Webhooks

CVE-2025-66074

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.

Vulnerability class: Unrestricted File Upload

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (17.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 17.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-66074: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-66074?
CVE-2025-66074 is a critical-severity vulnerability in Cozmoslabs Wp Webhooks, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.0/10. Published 2025-12-18.
How severe is CVE-2025-66074?
Critical severity. CVSS v3 base score is 9.0 out of 10.