---
id: CVE-2026-89413
title: >-
  The Filter Gallery plugin for WordPress is vulnerable to authorization bypass
  in all versions up to, and including, 1.1.4
summary: >-
  The Filter Gallery plugin for WordPress is vulnerable to authorization bypass
  in all versions up to, and including, 1.1.4. This is due to the plugin not
  properly verifying that a user is authorized to perform an action. This makes
  it pos…
severity: high
cvss: 8.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H'
cwe:
  - CWE-862
vendor: farazfrank
product: Filter Gallery
affected:
  - filter_gallery <= 1.1.4
published: '2026-09-18'
updated: '2026-09-18'
sourceUpdated: '2026-09-18T15:17:17.990'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-89413'
references:
  - url: >-
      https://plugins.trac.wordpress.org/browser/filter-gallery/tags/1.1.4/filter-gallery.php#L1099
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/filter-gallery/tags/1.1.4/filter-gallery.php#L1112
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/filter-gallery/tags/1.1.4/filter-gallery.php#L1131
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/changeset?reponame=&old=3695415%40filter-gallery&new=3695415%40filter-gallery
    label: security@wordfence.com
  - url: >-
      https://www.wordfence.com/threat-intel/vulnerabilities/id/0487c6dd-7453-4473-9a13-6b699623f8a9?source=cve
    label: security@wordfence.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-18T14:15:34.382142Z'
epss: 0.0029
epssPercentile: 0.21867
ingestedAt: '2026-09-18T07:37:23.434Z'
---

## Overview

The Filter Gallery plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.1.4. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to delete any arbitrary Filter Gallery records — including all associated filters, image mappings, settings, and details options — by supplying attacker-controlled gallery IDs. The nonce bypass requires omitting the nonce POST field entirely rather than submitting an invalid value, as a present-but-invalid nonce is correctly rejected.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.