CVE-2026-39471

HIGH 7.2

WordPress ShortPixel Image Optimizer plugin <= 6.4.3 - PHP Object Injection vulnerability

CVSS Score

7.2

EPSS Score

0.0%

EPSS Percentile

0th

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

CWE	CWE-502
Vendor	shortpixel
Product	shortpixel image optimizer
Published	Jun 15, 2026
Last Updated	Jun 15, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

ShortPixel / ShortPixel Image Optimizer

n/a ≤ 6.4.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/wordpress/plugin/shortpixel-image-optimiser/vulnerability/wordpress-shortpixel-image-optimizer-plugin-6-4-3-php-object-injection-vulnerability?_s_id=cve

Credits

daroo | Patchstack Bug Bounty Program