CVE-2026-22475 CRITICAL

CVE-2026-22475: WordPress Estate theme <= 1.3.4 - PHP Object Injection vulnerability

Vendor Axiomthemes

Product Estate

Weakness CWE-502 · Unsafe deserialization

Published March 5, 2026

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

9.8/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality High

Integrity High

CVSS vector

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

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in axiomthemes Estate estate allows Object Injection.This issue affects Estate: from n/a through <= 1.3.4.

Explanation of Vulnerability in Simple Terms

02Summary

Estate versions 1.3.4 and earlier contain a deserialization vulnerability that allows unauthenticated attackers to execute arbitrary code on the server. The vulnerability exists because the product deserializes untrusted data without proper validation. An attacker can exploit this remotely over the network without authentication or user interaction to gain full control of the affected site.

What an attacker can do

03Attacker Capabilities

Run their own code on the server and take complete control of the site.

Potential impact on your site

04Site Impact

Complete compromise of the site, including data theft, malware injection, and loss of availability.

Conditions required to exploit

05Prerequisites

Network access to the vulnerable Estate installation; no authentication required.

Key dates

06Disclosure timeline

March 5, 2026 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-22475 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/502.html AskarLabs — CWE-502 write-up Deserialization of Untrusted Data

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