CVE-2026-40754 - WordPress Roisin theme <= 1.4 - PHP Object Injection vulnerability

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HIGH

WordPress Roisin theme <= 1.4 - PHP Object Injection vulnerability

Published Jun 16, 2026

8.1

HIGH

CVSS 3.1

EPSS 0.44%

Description

Unauthenticated PHP Object Injection in Roisin <= 1.4 versions.

Affected products

Vendor Elated-Themes Product Roisin Default
unaffected
- Version
  -
  Status
  affected
  Constraints
  <=1.4

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

Vendor

Product

Default status

Versions

Elated-Themes

Roisin

unaffected

Version	Status	Constraints
-	affected	<=1.4

Remediation

Vendor solution

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

Weaknesses (1)

CWE-502

Deserialization of Untrusted Data

References (2)

Link	Providers	Tags
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-37488		Advisory
https://patchstack.com/database/wordpress/theme/roisin/vulnerability/wordpress-roisin-theme-1-4-php-object-injection-vulnerability?_s_id=cve		vdb-entry

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner Patchstack

Published Jun 16, 2026

Updated Jun 17, 2026

Reserved Apr 15, 2026

Link CVE-2026-40754

CISA Vulnrichment

Updated Jun 17, 2026

NVD

Status Deferred

Modified Jun 17, 2026

Link CVE-2026-40754

Red Hat

Severity n/a

Public date n/a

Links CVE-2026-40754

ENISA EUVD

Assigner Patchstack

Published Jun 16, 2026

Updated Jun 17, 2026

Exploited since n/a

Link EUVD-2026-37488

EUVD-2026-37488