CVE-2017-18357

mediumpriority · attend · 45EPSS 0.271 · 98 %ileexploit · weaponizedEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · weaponized

Likely / severe?

27.1% (98th) EPSS

CVSS 4 · medium

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-22

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.

cvss

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04mediumAV:N/AC:L/Au:S/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 8 · impact 2.9

v3.06.5mediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v3.06.5mediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nsecondary · OSV

v3.06.4mediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:Fsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-610USprimaryCWE-610US

exploits (2)

Public proof-of-concept and weaponised exploit code.

exploit/multi/http/shopware_createinstancefromnamedarguments_rceShopware createInstanceFromNamedArguments PHP Object Instantiation RCEweaponized · metasploit
EDB-46915Shopware - createInstanceFromNamedArguments PHP Object Instantiation Remote Code Execution (Metasploit)functional · exploit_db

affected products (3)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
shopware shopware< 5.3.4nvdUScpe:2.3:a:shopware:shopware:*:*:*:*:*:*:*:*
Packagist shopware/shopware< 5.3.4osvUSpkg:composer/shopware/shopware

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-6m27-7cqj-2mxwShopware XXE Vulnerability2022-05-14ghsa · osvUS
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.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2019-01-15modified 2026-06-17

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+252 more

references (11)

External citations — patches, advisories, analysis.

scry

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