---
id: CVE-2026-54860
title: WordPress Ozisti theme <= 1.1.10 - PHP Object Injection vulnerability
summary: Unauthenticated PHP Object Injection in Ozisti <= 1.1.10 versions.
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-502
vendor: ThemeREX
product: Ozisti
affected:
  - Ozisti >= n/a <= 1.1.10
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-10-30T18:38:21.006097Z'
published: '2026-10-29'
updated: '2026-10-30'
sourceUpdated: '2026-10-30T18:50:03.835Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-54860'
references:
  - url: >-
      https://patchstack.com/database/wordpress/theme/ozisti/vulnerability/wordpress-ozisti-theme-1-1-10-php-object-injection-vulnerability?_s_id=cve
tags:
  - cve.org
epss: 0.0049
epssPercentile: 0.42416
ingestedAt: '2026-11-05T16:24:31.381Z'
---

## Overview

Unauthenticated PHP Object Injection in Ozisti <= 1.1.10 versions.

## Affected

- `Ozisti >= n/a <= 1.1.10`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.