CVE-2026-103310
PayHere Payment Gateway 2.4.0 - 2.4.5 - Unauthenticated Payment Bypass via Unverified Payment Notification
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | unknown |
| Product | payhere payment gateway |
| Published | Nov 2, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Unknown / PayHere Payment Gateway
2.4.0 ≤ 2.4.5
References
Credits
Naoki Kawahigashi WPScan