High severity · published Oct 14, 2026
CVE-2026-106599
WordPress SureCart plugin <= 4.9.3 - PHP Object Injection vulnerability
8.8
CVSS
0.4%
EPSS
No
On KEV
Description
Deserialization of Untrusted Data vulnerability in Brainstorm Force SureCart surecart allows Object Injection.This issue affects SureCart: from n/a through 4.9.3.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 35% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SU
SureCart · Brainstorm Force
through 4.9.3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-106599
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-106599
vdb-entry
https://patchstack.com/database/wordpress/plugin/surecart/vulnerability/wordpress-surecart-plugin-4-9-3-php-object-injection-vulnerability?_s_id=cve
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