High severity · published Oct 28, 2026
CVE-2026-116390
WordPress Filter Everything — WordPress & WooCommerce Filters plugin <= 1.9.7 - PHP Object Injection vulnerability
New
7.2
CVSS
–
EPSS
No
On KEV
Description
Deserialization of Untrusted Data vulnerability in stepasyuk Filter Everything — WordPress & WooCommerce Filters filter-everything allows Object Injection.This issue affects Filter Everything — WordPress & WooCommerce Filters: from n/a through 1.9.7.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Filter Everything — WordPress & WooCommerce Filters · stepasyuk
through 1.9.7 · source: vendor
Affected product
FE
Filter Everything — WordPress & WooCommerce Filters
stepasyuk
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-116390
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-116390
vdb-entry
https://patchstack.com/database/wordpress/plugin/filter-everything/vulnerability/wordpress-filter-everything-wordpress-woocommerce-filters-plugin-1-9-7-php-object-injection-vulnerability?_s_id=cve