External risk intelligence

Axiomthemes Holistic Center Object Injection Vulnerability.

CVE advisorySeverity: CRITICAL (CVSS 9.8)

CVE-2026-112854

The vulnerability affects a WordPress theme, which is a component of a web application. WordPress sites are commonly deployed as public-facing web services. Since the vulnerability involves object injection in a web-accessible theme, the attack surface is typically exposed to the public internet.

Deserialization

Halo Surface Signal: 4 out of 5 — likely to be public-facing.

External exposure likelihood

Horizon Alert

Summary of the vulnerability and why it matters

A vulnerability has been identified in the Holistic Center theme that could allow unauthorized code execution. This means a potential attacker could inject malicious commands into the system, impacting its integrity and availability. The main concern is confirming if our organization utilizes this specific theme and is therefore exposed.

Code injection flaw in a website theme.
Affects web application integrity and availability.
Confirm relevance and potential exposure.

Attack Path

How an attacker could exploit the issue

An attacker could exploit this vulnerability by sending specially crafted data to a vulnerable installation of the Holistic Center WordPress theme. This could lead to arbitrary code execution on the server, potentially allowing the attacker to take full control of the website.

Accessible over the network.
Untrusted data triggers deserialization.
Complete server takeover possible.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability could allow an unauthenticated attacker to execute arbitrary code on the server when certain conditions are met, potentially affecting the integrity and availability of the affected system.

Server-side code execution.
Via deserialization of untrusted data.
System compromise and data corruption.

Operational Fix

Recommended remediation, mitigation, and detection steps

Determining precise ownership requires mapping the affected WordPress theme to your specific application architecture and business context. Infrastructure, platform, or web administration teams are typically responsible for managing WordPress deployments. The immediate first step is to inventory all instances of the Holistic Center theme, assess their exposure (publicly accessible or internal), identify the business owner or application utilizing each instance, and then prioritize remediation based on this risk assessment.

Application or infrastructure team ownership.
Verify theme presence and exposure.
Plan remediation based on risk.

Supplementary metadata

CVSS vector

Validate whether this threat affects your internet-facing exposure.

Halo Threat Intelligence helps prioritize remediation with Halo Surface Signal and H/A/L/O context. Start exposure validation with a free external attack surface trial.

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Frequently asked questions

What is the Holistic Center theme by Axiomthemes?

Holistic Center is a WordPress theme designed to provide a specific layout, design, and functional structure for websites. Like other themes in the WordPress ecosystem, it controls the visual presentation and can introduce additional features or code logic to a site. Users typically install it to quickly establish a professional web presence for wellness or health-oriented services.

How does CWE-502 apply to CVE-2026-112854?

This vulnerability is classified as CWE-502: Deserialization of Untrusted Data. In plain English, the theme incorrectly processes complex data received from external sources. Instead of safely handling this information, the application treats the untrusted data as executable instructions, which allows an attacker to inject and run their own malicious code within the server's environment.

When does this vulnerability get triggered?

The flaw is triggered when the theme receives specially crafted, malicious data from an external source. It is important to note that simply visiting a site using the theme does not necessarily trigger this; the input must be specifically designed to exploit the deserialization process. The vulnerability occurs because the software fails to validate or sanitize this incoming data before processing it.

Is my WordPress site at risk according to Halo Surface Signal?

Halo Surface Signal indicates that because this is a WordPress theme, it is often part of public-facing web services. If your site is accessible over the public internet, the attack surface is significantly broader. Because the vulnerability allows for unauthenticated interaction, any instance of Holistic Center reachable by the internet is considered to have a higher potential for exposure.

What steps should I take if I use Holistic Center?

Begin by auditing your digital infrastructure to create a definitive inventory of all WordPress sites currently running this specific theme. Once identified, locate the teams responsible for these applications and verify their network accessibility. Prioritize reviewing the theme's status and coordination with your development or web administration teams to plan for necessary security updates or configuration changes.

References

patchstack.com/database/wordpress/theme/holistic-center/vulnerabilit…

Written by Nicholas Merritt

Nicholas Merritt is VP of Security Solutions at Halo Security. With more than 25 years across application security, vulnerability prioritization, and offensive security, he helps teams translate threat data into practical exposure validation and remediation focus. He authors Halo Threat Intelligence CVE advisories using Halo Surface Signal and H/A/L/O context to prioritize internet-facing risk.