CVE-2026-4986 — MEDIUM (5.3)

Vulnerability 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.

CVSS Score

5.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-862

References

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

FAQ

What is CVE-2026-4986?

CVE-2026-4986 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 an...

How severe is CVE-2026-4986?

CVE-2026-4986 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-4986?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.