CVE-2026-39471 - Vulnerability Details - OpenCVE

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

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

ShortPixel

ShortPixel Image Optimizer

unaffected

Version	Status	Constraints
`n/a`	affected	≤ 6.4.3

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

Update the WordPress ShortPixel Image Optimizer Plugin to the latest available version (at least 6.4.4).

Workaround

No workaround given by the vendor.

References

Link	Providers
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

History

Mon, 15 Jun 2026 23:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Mon, 15 Jun 2026 20:30:00 +0000

Type	Values Removed	Values Added
Description		Author PHP Object Injection in ShortPixel Image Optimizer <= 6.4.3 versions.
Title		WordPress ShortPixel Image Optimizer plugin <= 6.4.3 - PHP Object Injection vulnerability
Weaknesses		CWE-502
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=cve
Metrics		cvssV3_1 `{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: Patchstack

Published: 2026-06-15T20:17:47.824Z

Updated: 2026-06-15T22:16:38.626Z

Reserved: 2026-04-07T10:41:57.169Z

Link: CVE-2026-39471

Vulnrichment

Updated: 2026-06-15T22:16:34.780Z

NVD

Status : Deferred

Published: 2026-06-15T21:16:43.860

Modified: 2026-06-15T21:24:32.790

Link: CVE-2026-39471

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-502

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