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Vulnerabilities

Vulnerability · CVE-2017-18357

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 c…

Published Jan 15, 2019 · catalog updated Jun 17, 2026 · the affected product

Last checked Nov 9, 2026. A connected source was read within the last 7 days.

Check this week

CVE-2017-18357 is not in CISA KEV. FIRST estimates a 27.07% chance of exploitation in the next 30 days. Check whether you run the affected product.

Gaps on this record

  • No plain product name is stored. The page cannot tell you which product to check.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium6.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
27.07%
Remediation
Version ranges on file
Affected products
cpe shopware/shopware

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe shopware/shopware< 5.3.4

How to fix CVE-2017-18357

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2017-18357 is not in CISA KEV. FIRST estimates a 27.07% chance of exploitation in the next 30 days. Check whether you run the affected product.

Which versions are affected?

Compare what you have installed with < 5.3.4. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-610. EPSS 27.07%. There is no CISA KEV listing. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Technology hubs

Shopware security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 15, 2019 · Monitored products — high

    Detected

    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.

  2. Jun 17, 2026 · Monitored products — high

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2017-18357

    Official CVE identifier

    cve.org
  • Monitored products — highVendor advisoryCVE-2017-18357

    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.nist.gov
  • Metasploit ModulesPublic exploit moduleexploit_multi/http/shopware_createinstancefromnamedarguments_rce

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/152995/Shopware-createInstanceFromNamedArguments-PHP-Object-Instantiation.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com

References

Freshness

Last verified in this catalog Nov 9, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • Packet Storm SecurityNov 9, 2026
  • Metasploit ModulesNov 7, 2026
  • CVE.orgNov 6, 2026
  • Monitored products — highNov 6, 2026