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EUVD-2026-291275

fkie_cve-2026-32272

Craft Commerce is an ecommerce platform for Craft CMS. In versions 5.0.0 through 5.5.4, an SQL injection vulnerability exists where the ProductQuery::hasVariant and VariantQuery::hasProduct properties bypass the input sanitization blocklist added to ElementIndexesController in a prior security fix (GHSA-2453-mppf-46cj). The blocklist only strips top-level Yii2 Query properties such as where and orderBy, but hasVariant and hasProduct pass through untouched and internally call Craft::configure() on a subquery without sanitization, re-introducing SQL injection. Any authenticated control panel user can exploit this via boolean-based blind SQL injection to extract arbitrary database contents, including security keys that enable forging admin sessions for privilege escalation. This issue has been fixed in version 5.6.0.

GHSA-r54v-qq87-px5r — Craft Commerce hasVariant/hasProduct Blind SQL Injection

Affected: Packagist: craftcms/commerce

## Overview

Craft Commerce’s `ProductQuery::hasVariant` and `VariantQuery::hasProduct` properties bypass the `unset()` blocklist added to `ElementIndexesController` in GHSA-2453-mppf-46cj.

The blocklist only strips top-level Yii2 Query properties (`where`, `orderBy`, etc.), but `hasVariant` and `hasProduct` pass through untouched. Internally, these properties call `Craft::configure()` on a subquery without sanitization, re-introducing SQL injection via `criteria[hasVariant][where]=INJECTED_SQL`.

An authenticated control panel user can perform boolean-based blind SQL injection through the patched `ElementIndexesController` and extract arbitrary database contents.

## Impact

* Full database read access via blind SQL injection * Privilege escalation via security key extraction → forged admin sessions

## Prerequisites * Authenticated control panel user * Commerce plugin installed * Products with variants in the database