CVE-2026-4986

WPForms Lite < 1.10.0.5 – Unauthenticated PayPal Webhook Forgery

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.

Affected

WPForms

CVSS v3.1 CNA

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

EPSS

0.33% chance of exploitation in the next 30 days, 25th percentile

Published

2026-06-09

Proof-of-concept exploits (1)

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

References

• CVE Record
• NVD entry