External risk intelligence

AdForest WordPress Theme Authentication Bypass Affects All Versions

CVE advisorySeverity: CRITICAL (CVSS 9.8)

CVE-2025-8359

The vulnerability affects a WordPress theme used to build websites. WordPress sites are frequently deployed as public-facing web applications, making this functionality directly reachable via the internet.

Authentication Bypass

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 critical vulnerability has been identified in the AdForest WordPress theme that could allow unauthorized individuals to bypass authentication and log in as other users, including administrators, without needing a password. This could expose sensitive information or allow malicious actions to be taken within affected systems.

Unauthenticated attackers can log in without a password.
Critical access bypass impacts administrative controls.
Confirm relevance and potential exposure.

Attack Path

How an attacker could exploit the issue

An attacker could exploit this vulnerability by accessing a website using the AdForest WordPress theme. Since no authentication is required, the attacker can bypass login procedures to gain unauthorized access. This could allow them to log in as any user on the site, including administrators.

No authentication needed.
Bypass login to access any user.
Gain administrator access.

Live Threat

Current exploitation, exposure, and threat context

An unauthenticated attacker could bypass authentication mechanisms in the AdForest theme for WordPress, allowing them to log in as any user, including administrators, without needing a password. This vulnerability is present in all versions up to and including 6.0.9.

Administrative access to WordPress sites.
Bypass authentication controls.
Unauthorized system control and data access.

Operational Fix

Recommended remediation, mitigation, and detection steps

WordPress site owners and their infrastructure or platform teams are most likely responsible for addressing this authentication bypass vulnerability in the AdForest theme. The first critical step is to identify all instances of the AdForest theme within your WordPress deployments, determine their exposure to the internet, and confirm which sites are business-critical. Once identified, work with the accountable owner to plan remediation, considering the potential impact of an unauthenticated attacker gaining administrative access.

Identify affected WordPress sites.
Verify internet exposure and business criticality.
Plan remediation with site owners.

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 AdForest WordPress theme?

AdForest is a specialized WordPress theme designed to help users create classified ads and directory websites. It provides the front-end design, page layouts, and specific functionalities needed to manage listings, user profiles, and advertising workflows within a WordPress content management system environment.

How does the authentication bypass in CVE-2025-8359 work?

This vulnerability falls under the weakness class of CWE-288, which involves improper authentication. Essentially, the theme fails to correctly validate a user's identity during the login process. Because of this logical flaw, the system may mistakenly grant access to an account without requiring a valid password, effectively skipping the security check that should protect user sessions.

What steps must an attacker take to trigger this bug?

An attacker does not need any special privileges or prior credentials to trigger this flaw. The vulnerability is exploitable through standard network requests directed at the WordPress site. Importantly, this issue does not rely on local file access or specific server-side configurations; it is inherent to the theme's own authentication logic, meaning simple, direct interaction with the site is the primary trigger path.

Is my website at risk from this vulnerability?

According to Halo Surface Signal, this vulnerability is particularly relevant to WordPress sites because they are often deployed as public-facing web applications. If your site is reachable via the internet, it is directly exposed to this threat. Even if a site serves a niche purpose, the fact that it uses the AdForest theme makes it a potential target for unauthorized access.

How should I respond to CVE-2025-8359?

Your first step is to perform an inventory of all WordPress deployments to confirm if any are running the AdForest theme. Once identified, evaluate the criticality of these sites and their exposure to the internet. Coordinate with the site owners or management teams to establish a plan for remediation, keeping in mind that this flaw allows for full administrative control if left unaddressed.

References

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.