---
id: CVE-2026-116391
title: WordPress GS Logo Slider plugin <= 3.8.9 - PHP Object Injection vulnerability
summary: >-
  Deserialization of Untrusted Data vulnerability in GS Plugins GS Logo Slider
  gs-logo-slider allows Object Injection.This issue affects GS Logo Slider: from
  n/a through 3.8.9.
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-502
vendor: GS Plugins
product: gs-logo-slider
affected:
  - gs-logo-slider <= 3.8.9
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-29T13:41:16.241278Z'
published: '2026-10-28'
updated: '2026-10-29'
sourceUpdated: '2026-10-29T13:47:37.936Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-116391'
references:
  - url: >-
      https://patchstack.com/database/wordpress/plugin/gs-logo-slider/vulnerability/wordpress-gs-logo-slider-plugin-3-8-9-php-object-injection-vulnerability?_s_id=cve
tags:
  - cve.org
epss: 0.00374
epssPercentile: 0.3142
ingestedAt: '2026-10-28T13:11:23.658Z'
---

## Overview

Deserialization of Untrusted Data vulnerability in GS Plugins GS Logo Slider gs-logo-slider allows Object Injection.This issue affects GS Logo Slider: from n/a through 3.8.9.

## Affected

- `gs-logo-slider <= 3.8.9`

## Remediation

Update the WordPress GS Logo Slider plugin to the latest available version (at least 3.9.0).