CVE-2026-31867
MEDIUM
GHSA-vff3-pqq8-4cpq
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
Lifecycle Timeline
3Description
Craft Commerce is an ecommerce platform for Craft CMS. Prior to 4.11.0 and 5.6.0, An Insecure Direct Object Reference (IDOR) vulnerability exists in Craft Commerce’s cart functionality that allows users to hijack any shopping cart by knowing or guessing its 32-character number. The CartController accepts a user-supplied number parameter to load and modify shopping carts. No ownership validation is performed - the code only checks if the order exists and is incomplete, not whether the requester has authorization to access it. This vulnerability enables the takeover of shopping sessions and potential exposure of PII. This vulnerability is fixed in 4.11.0 and 5.6.0.
Analysis
Craft Commerce versions prior to 4.11.0 and 5.6.0 contain an IDOR vulnerability in the cart functionality that allows unauthenticated attackers to access and modify arbitrary shopping carts by guessing or knowing their 32-character identifiers. The CartController fails to validate cart ownership, enabling attackers to hijack active shopping sessions and potentially access sensitive customer information. …
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Remediation
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.
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External POC / Exploit Code
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