SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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 controller, with resultant XXE via instantiation of a SimpleXMLElement object.

EXPLOIT ✓MEDIUM 6.5EPSS 27.1%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 27.1%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

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.

CVSS 3.0
6.5 MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS
27.07% probability · 98th percentile
Public exploits
1 in Exploit-DB · verified · first 23 May 2019
CISA KEV
Not listed
Weakness
CWE-610
Affected
shopware/shopware
Source
cve@mitre.org
EPSS trend
0%15%30%21 September 2026: 28.14%22 September 2026: 27.07%27 October 2026: 27.07%21 September 202627 October 2026

EPSS moved from 28.1% on 21 September 2026 to 27.1% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-46915source ↗Shopware - createInstanceFromNamedArguments PHP Object Instantiation Remote Code Execution (Metasploit)php · Metasploitremote23 May 2019yes

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.