---
id: CVE-2026-97246
title: >-
  Subscriber PHP Object Injection in ShortPixel Image Optimizer <= 6.5.5
  versions.
summary: >-
  Subscriber PHP Object Injection in ShortPixel Image Optimizer <= 6.5.5
  versions.
severity: medium
cvss: 4.9
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N'
cwe:
  - CWE-502
vendor: ShortPixel
product: shortpixel-image-optimiser
affected:
  - shortpixel-image-optimiser >= n/a <= 6.5.5
published: '2026-09-30'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T14:18:15.663'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-97246'
references:
  - url: >-
      https://patchstack.com/database/wordpress/plugin/shortpixel-image-optimiser/vulnerability/wordpress-shortpixel-image-optimizer-plugin-6-5-5-php-object-injection-vulnerability?_s_id=cve
    label: audit@patchstack.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-30T13:07:56.292083Z'
ingestedAt: '2026-09-30T13:03:51.989Z'
---

## Overview

Subscriber PHP Object Injection in ShortPixel Image Optimizer <= 6.5.5 versions.

## Remediation

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