CVE-2026-39471

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

State: Published
Severity: 7.2 High
Published: Jun 15, 2026
Updated: Jun 15, 2026
Reserved: Apr 7, 2026

Description

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

Scores

CVSS	Score	Vector	Source
3.1	7.2 High	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	Patchstack

Weaknesses

CWE-502 Deserialization of Untrusted Data

Affected Products

Product	Versions
ShortPixel Image OptimizerShortPixel	6.4.3 and earlierAffectedfrom 6.4.4Not affected

References

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

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