CVE-2026-97246

MEDIUM 4.9

WordPress ShortPixel Image Optimizer plugin <= 6.5.5 - PHP Object Injection vulnerability

CVSS Score

4.9

EPSS Score

0.2%

EPSS Percentile

11th

Deserialization of Untrusted Data vulnerability in ShortPixel ShortPixel Image Optimizer shortpixel-image-optimiser allows Object Injection.This issue affects ShortPixel Image Optimizer: from n/a through 6.5.5.

CWE	CWE-502
Vendor	shortpixel
Product	shortpixel image optimizer
Published	Sep 30, 2026
Last Updated	Oct 20, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

ShortPixel / ShortPixel Image Optimizer

0 ≤ 6.5.5

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/wordpress/plugin/shortpixel-image-optimiser/vulnerability/wordpress-shortpixel-image-optimizer-plugin-6-5-5-php-object-injection-vulnerability?_s_id=cve

Credits

Asim Alshaya | Patchstack Bug Bounty Program