The PayHere Payment Gateway WordPress plugin from 2.4.0 through 2.4.5 does not verify the authenticity of payment notifications when the merchant secret is unset, which is the default state, allowing unauthenticated attackers to forge a payment confirmation and mark any order as paid without payment.
History

Mon, 02 Nov 2026 08:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-20
CWE-613

Mon, 02 Nov 2026 07:30:00 +0000

Type Values Removed Values Added
Description The PayHere Payment Gateway WordPress plugin from 2.4.0 through 2.4.5 does not verify the authenticity of payment notifications when the merchant secret is unset, which is the default state, allowing unauthenticated attackers to forge a payment confirmation and mark any order as paid without payment.
Title PayHere Payment Gateway 2.4.0 - 2.4.5 - Unauthenticated Payment Bypass via Unverified Payment Notification
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published: 2026-11-02T07:10:35.208Z

Updated: 2026-11-02T07:10:35.208Z

Reserved: 2026-09-30T11:37:26.685Z

Link: CVE-2026-103310

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-02T08:17:35.927

Modified: 2026-11-02T08:17:35.927

Link: CVE-2026-103310

cve-icon Redhat

No data.