Shopware XXE Vulnerability

MEDIO 6.5CVE-2017-18357 · GHSA-6m27-7cqj-2mxw · Published 15/01/2019 · updated 17/06/2026

Package	Affected versions	Patched versions
shopware/shopware Packagist	`< 5.3.4`	`5.3.4`
shopware shopware	`< 5.3.4`	`5.3.4`

Description

Shopware before 5.3.4 has a PHP Object Instantiation issue via the sort parameter to the loadPreviewAction() method of the Shopware_Controllers_Backend_ProductStream controller, with resultant XXE via instantiation of a SimpleXMLElement object.

NVD description

References

nvd.nist.gov/vuln/detail/CVE-2017-18357 · ADVISORY
blog.ripstech.com/2017/shopware-php-object-instantiation-to-blind-xxe · WEB
demo.ripstech.com/projects/shopware_5.3.3 · WEB
packetstormsecurity.com/files/152995/Shopware-createInstanceFromNamedArguments-PHP-Object-Instantiation.html · WEB
blog.ripstech.com/2017/shopware-php-object-instantiation-to-blind-xxe · Exploit

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