What is CVE-2026-116390?

CVE-2026-116390 is a high-severity vulnerability in Stepasyuk Filter Everything — WordPress &Amp; Woocommerce Filters, classified under Deserialization of Untrusted Data. CVSS score: 7.2/10. Published 2026-10-28.

How severe is CVE-2026-116390?

High severity. CVSS v3 base score is 7.2 out of 10.

Deserialization in Stepasyuk Filter Everything — WordPress &Amp; Woocommerce Filters

CVE-2026-116390

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.

Vulnerability class: Insecure Deserialization

Published 2026-10-28 · last modified 2026-10-28.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Stepasyuk Filter Everything — WordPress &Amp; Woocommerce Filters

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

patchstack.com/database/wordpress/plugin/filter-everything/vulnerability/wordpr… (vdb-entry)

Frequently asked questions

What is CVE-2026-116390?: CVE-2026-116390 is a high-severity vulnerability in Stepasyuk Filter Everything — WordPress &Amp; Woocommerce Filters, classified under Deserialization of Untrusted Data. CVSS score: 7.2/10. Published 2026-10-28.
How severe is CVE-2026-116390?: High severity. CVSS v3 base score is 7.2 out of 10.

Deserialization in Stepasyuk Filter Everything&nbsp;— WordPress &Amp; Woocommerce Filters