CVE-2026-103310

Medium

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.

SeverityMedium
CVSS5.3
Exploit probability—
ProductPayHere Payment Gateway
PublishedNov 2, 2026
First seenNov 4, 2026
Weakness typeCWE-345CWE-345

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
PayHere Payment Gateway2.4.0 ≤ v ≤ 2.4.5—

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