CVE-2026-39471 HIGH

CVE-2026-39471: WordPress ShortPixel Image Optimizer plugin <= 6.4.3 - PHP Object Injection vulnerability

Vendor Shortpixel
Product ShortPixel Image Optimizer
Weakness CWE-502 · Unsafe deserialization
Published June 15, 2026
Last update June 15, 2026

CVSS base score

7.2/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

Description

Author PHP Object Injection in ShortPixel Image Optimizer <= 6.4.3 versions.

Key dates

Disclosure timeline

June 15, 2026 CVE published
June 15, 2026 Record updated