CVE-2026-39471: Shortpixel Image Optimizer

High severity, CVSS 7.2. EPSS: 0.5% chance of exploitation in the next 30 days.

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

Affected products

• Shortpixel Shortpixel Image Optimizer: up to and including 6.4.3

Published 2026-06-15. Last modified 2026-06-17.