CVE-2026-22451 CRITICAL

CVE-2026-22451: WordPress Handyman theme <= 1.4.7 - PHP Object Injection vulnerability

Vendor Ancorathemes

Product Handyman

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 AncoraThemes Handyman handyman-services allows Object Injection.This issue affects Handyman: from n/a through <= 1.4.7.

Explanation of Vulnerability in Simple Terms

02Summary

Handyman versions up to 1.4.7 contain a deserialization vulnerability that allows unauthenticated attackers to run arbitrary code on the site. The vulnerability exists in how the product processes untrusted serialized data without proper validation. An attacker can exploit this remotely without user interaction to gain full control of the site.

What an attacker can do

03Attacker Capabilities

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

Potential impact on your site

04Site Impact

Complete site compromise: attackers can steal data, modify content, install malware, or take the site offline.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction 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-2026-22451 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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