craftcms commerce-mollie up to 4.4.2 Mollie webhook endpoint commerceTransactionHash/id access control

Summaryinfo

A vulnerability described as problematic has been identified in craftcms commerce-mollie up to 4.4.2. Impacted is an unknown function of the component Mollie webhook endpoint. Executing a manipulation of the argument commerceTransactionHash/id can lead to access control. This vulnerability is handled as CVE-2026-115937. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in craftcms commerce-mollie up to 4.4.2 and classified as problematic. This vulnerability affects an unknown code block of the component Mollie webhook endpoint. The manipulation of the argument commerceTransactionHash/id with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect integrity. CVE summarizes:

The Mollie webhook endpoint accepts two independent, attacker-controlled parameters and never verifies that they belong together: * commerceTransactionHash — selects which Craft Commerce transaction is completed * id — selects which Mollie payment is queried for its status An unauthenticated attacker holding any paid Mollie payment ID from the merchant’s account can pair it with any transaction hash. Commerce queries Mollie, sees status: paid, and marks the target transaction successful for that transaction’s full amount, regardless of how much was actually paid.

The advisory is available at hckrt.com. This vulnerability was named CVE-2026-115937 since 10/23/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading to version 4.4.3 eliminates this vulnerability.

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Productinfo

Vendor

• craftcms

Name

• commerce-mollie

Version

• 4.4.0
• 4.4.1
• 4.4.2

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CPE 2.2info

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