CVE-2026-4986

Name: CVE-2026-4986
Creator: NVD / NIST
Published: 2026-06-09T06:16:53.797+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.20%

Last modified Jun 17, 2026

CVE-2026-4986 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. The WPForms WordPress plugin before 1.10.0.5 does not verify the authenticity of incoming PayPal webhook events before processing them, allowing unauthenticated attackers to forge webhook payloads and manipulate the payment state of arbitrary transactions.. EPSS estimates a 0.20% chance of exploitation in the next 30 days.

Description

The WPForms WordPress plugin before 1.10.0.5 does not verify the authenticity of incoming PayPal webhook events before processing them, allowing unauthenticated attackers to forge webhook payloads and manipulate the payment state of arbitrary transactions.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS Probability

0.20%

9.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-862

References

https://wpscan.com/vulnerability/1d99eed6-9a16-4d5a-90f9-ab604dfd5b92/

Timeline

Published: Jun 9, 2026
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2026-4986?

How severe is CVE-2026-4986?

CVE-2026-4986 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.20% probability of exploitation in the next 30 days.

How do I fix CVE-2026-4986?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-4986?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST