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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-97246
StatePUBLISHED
AssignerPatchstack
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-30 13:17:36 UTC
Updated2026-09-30 14:18:15 UTC
DescriptionSubscriber PHP Object Injection in ShortPixel Image Optimizer <= 6.5.5 versions.

Risk And Classification

Primary CVSS: v3.1 4.9 MEDIUM from [email protected]

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

Problem Types: CWE-502 | CWE-502 CWE-502 Deserialization of Untrusted Data

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N
3.1CNACVSS4.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA ShortPixel ShortPixel Image Optimizer affected n/a 6.5.5 custom Not specified

References

ReferenceSourceLinkTags
patchstack.com/database/wordpress/plugin/shortpixel-image-optimiser/vulnerab... [email protected] patchstack.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Asim Alshaya | Patchstack Bug Bounty Program (en)

Additional Advisory Data

Solutions

CNA: Update the WordPress ShortPixel Image Optimizer Plugin to the latest available version (at least 6.5.6).

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