External risk intelligence

Wine House Theme PHP Object Injection

CVE advisorySeverity: CRITICAL (CVSS 9.8)

CVE-2026-62053

The vulnerability affects a WordPress theme, which is a component of a web application. WordPress sites are frequently deployed as internet-facing web services, making the theme's code, including this injection vulnerability, typically reachable by public internet users.

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

This advisory addresses an unauthenticated PHP Object Injection vulnerability found in the Wine House theme. Given its critical severity and network-accessible nature, this issue warrants attention to determine if our organization utilizes this specific theme. If so, understanding the potential for unauthorized access and data manipulation is paramount.

Theme has a critical remote code execution flaw.
It impacts public-facing web applications.
Confirm relevance and assess exposure.

Attack Path

How an attacker could exploit the issue

An unauthenticated attacker could exploit this vulnerability by sending a specially crafted PHP object injection payload to the Wine House theme. This could lead to the execution of arbitrary code on the server, potentially allowing the attacker to take full control of the affected website.

No authentication required.
Triggered by specially crafted input.
Leads to code execution and server compromise.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability could allow an unauthenticated attacker to inject malicious PHP objects into the Wine House theme, potentially leading to the execution of arbitrary code or other harmful actions on the server. This could occur when the theme processes user-supplied input in a way that does not properly sanitize or validate the data.

Theme code and server-side processes.
Unauthenticated data injection.
Arbitrary code execution.

Operational Fix

Recommended remediation, mitigation, and detection steps

This unauthenticated PHP Object Injection vulnerability in Wine House themes requires immediate attention from teams managing web applications, specifically those responsible for the content management system (CMS) and its plugins or themes. The first practical step is to identify all instances of the affected theme, determine their business criticality and external reachability, and then locate the accountable owner to plan for remediation.

Identify application owners and platform teams.
Verify external reachability and business criticality.
Plan coordinated remediation or vendor engagement.

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 Wine House software?

Wine House is a WordPress theme designed to provide visual layouts and design elements for websites running on the WordPress content management system. It serves as a structural and aesthetic template that processes various inputs to render pages for visitors.

What does PHP Object Injection mean in CVE-2026-62053?

This refers to CWE-502, a weakness where an application improperly sanitizes user-supplied data before using it to create PHP objects. Because the theme trusts this input, an attacker can inject malicious objects that manipulate the application's logic, potentially leading to unauthorized command execution.

How is this vulnerability triggered?

An attacker triggers this by sending a specially crafted, malicious payload directly to the affected theme. This requires no login credentials or prior access. It is not triggered by standard site navigation or legitimate user actions that provide expected data formats.

Is my site at risk according to Halo Surface Signal?

Halo Surface Signal identifies that because Wine House is a WordPress theme, it is frequently used for public-facing websites. If your instance is reachable from the internet, it is considered highly accessible to remote attackers attempting to exploit this flaw.

Do I need to take action if I use Wine House?

Yes. Immediately verify if your organization uses this theme. Identify the business owners for these sites and prioritize determining if they are internet-facing. Coordinate with your platform teams to plan for updates or necessary remediation steps to secure the environment.

References

patchstack.com/database/wordpress/theme/wine-house/vulnerability/wor…

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.