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CVE-2026-4986

WPForms Lite < 1.10.0.5 – Unauthenticated PayPal Webhook Forgery

MEDIUM
5.3
CVSS Score
Published: June 9, 2026 at 06:00 AM UTC
Updated: July 23, 2026 at 07:32 PM UTC
1 product affected across 1 vendorWPForms

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.2%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

WPForms· Wpformswordpress-plugin
60%
1.10.0.1 ≤ v < 1.10.0.51.10.0.1
Affected range stops below 1.10.0.5, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

ExploitVDB EntryTechnical Description
Source: cverecord
https://wpscan.com/vulnerability/1d99eed6-9a16-4d5a-90f9-ab604dfd5b92/

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-862

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