Executive Summary

The vulnerability in the WordPress wpForo Forum Plugin versions 3.1.0 and earlier is a Broken Authentication issue that allows unauthenticated attackers to perform actions normally restricted to higher-privileged users.

Specifically, this flaw can let attackers gain admin access to the website without authentication.

It is a severe security risk with a CVSS score of 9.8 and falls under the OWASP Top 10 category A7 (Identification and Authentication Failures).

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Impact Analysis

This vulnerability can have a critical impact by allowing unauthenticated attackers to gain administrative control over your website.

With admin access, attackers can manipulate website content, steal sensitive data, install malicious code, or disrupt website operations.

The flaw is actively exploitable and could be used in mass-exploit campaigns targeting thousands of websites, increasing the risk of widespread damage.

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Mitigation Strategies

To mitigate the CVE-2026-49767 vulnerability in the WordPress wpForo Forum Plugin (versions 3.1.0 and earlier), you should immediately update the plugin to version 3.1.1 or later.

If updating the plugin is not possible, apply a Patchstack mitigation rule to protect your site from exploitation.

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Compliance Impact

The vulnerability in the wpForo Forum Plugin allows unauthenticated attackers to gain admin-level access, leading to broken authentication and potentially unauthorized access to sensitive data.

Such unauthorized access and broken authentication can result in violations of common standards and regulations like GDPR and HIPAA, which require strict controls over user authentication and protection of personal and sensitive data.

Failure to mitigate this vulnerability could lead to data breaches, compromising confidentiality, integrity, and availability of data, thereby impacting compliance with these regulations.

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