CVE-2026-40759 - Vulnerability Details - OpenCVE

Unauthenticated PHP Object Injection in Esmée <= 1.4 versions.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

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.

The EPSS score is 0.0032.

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

Mikado-Themes

Esmée

unaffected

Version	Status	Constraints
`n/a`	affected	≤ 1.4

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

Update the WordPress Esmée Theme to the latest available version (at least 1.5).

Workaround

No workaround given by the vendor.

References

Link	Providers
https://patchstack.com/database/wordpress/theme/esme/vulnerability/wordpress-esmee-theme-1-4-php-object-injection-vulnerability?_s_id=cve

History

Wed, 17 Jun 2026 12:30:00 +0000

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

Tue, 16 Jun 2026 22:00:00 +0000

Type	Values Removed	Values Added
Description		Unauthenticated PHP Object Injection in Esmée <= 1.4 versions.
Title		WordPress Esmée theme <= 1.4 - PHP Object Injection vulnerability
Weaknesses		CWE-502
References		https://patchstack.com/database/wordpress/theme/esme/vulnerability/wordpress-esmee-theme-1-4-php-object-injection-vulnerability?_s_id=cve
Metrics		cvssV3_1 `{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: Patchstack

Published: 2026-06-16T20:57:40.025Z

Updated: 2026-06-17T10:37:46.720Z

Reserved: 2026-04-15T09:20:25.914Z

Link: CVE-2026-40759

Vulnrichment

Updated: 2026-06-17T10:37:42.061Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-502

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