SSRF in Ninja Forms Webhooks

CVE-2024-13940

The Ninja Forms Webhooks plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 3.0.7 via the form webhook functionality. This makes it possible for authenticated attackers, with Administrator-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (13.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 13.9% 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-2024-13940: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-13940?
CVE-2024-13940 is a medium-severity vulnerability in Ninja Forms Webhooks, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.5/10. Published 2025-05-14.
How severe is CVE-2024-13940?
Medium severity. CVSS v3 base score is 5.5 out of 10.