Shopware up to 5.3.3 loadPreviewAction sort external reference

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in Shopware up to 5.3.3 and classified as critical. Affected by this issue is the function loadPreviewAction. The manipulation of the argument sort as part of a Parameter leads to a external reference vulnerability. Using CWE to declare the problem leads to CWE-610. The product uses an externally controlled name or reference that resolves to a resource that is outside of the intended control sphere. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The bug was discovered 11/08/2017. The weakness was published 01/15/2019 (Website). The advisory is shared for download at This vulnerability is handled as CVE-2017-18357 since 01/15/2019. The exploitation is known to be easy. The attack may be launched remotely. A simple authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 433 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 5.3.4 eliminates this vulnerability.

Similar entries are available at VDB-225918, VDB-225919, VDB-232359 and VDB-238548.





CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍



VulDB Base Score: 🔍
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Class: External reference
CWE: CWE-610

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Shopware 5.3.4


11/08/2017 🔍
01/15/2019 +433 days 🔍
01/15/2019 +0 days 🔍
01/15/2019 +0 days 🔍
01/16/2019 +1 days 🔍
07/01/2023 +1627 days 🔍


Advisory: 152995
Status: Not defined

CVE: CVE-2017-18357 (🔍)
See also: 🔍


Created: 01/16/2019 12:10 PM
Updated: 07/01/2023 08:19 AM
Changes: 01/16/2019 12:10 PM (59), 05/01/2020 03:49 PM (1), 07/01/2023 08:19 AM (4)
Complete: 🔍
Cache ID: 44:14C:40


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