Attack Vectors

CVE-2026-25368 is a Medium-severity missing authorization issue (CVSS 4.3) affecting the Calculated Fields Form WordPress plugin (slug: calculated-fields-form) in versions up to and including 5.4.4.1.

The primary attack vector is an authenticated user who already has access to your WordPress site—specifically a user with contributor-level privileges or higher. Because the vulnerability does not require user interaction (UI:N) and is low complexity (AC:L), an internal account takeover or a misconfigured role assignment can quickly turn into an exploitation path.

Security Weakness

The underlying weakness is a missing capability check on a plugin function. In practical terms, the plugin fails to consistently verify whether a logged-in user should be allowed to perform a particular action.

This type of authorization gap can occur when a plugin assumes that “authenticated” equals “trusted.” In real business environments—where teams, agencies, contractors, and multiple departments may have WordPress accounts—role-based access control is a critical safeguard. When it’s missing, users may be able to do more than intended.

Technical or Business Impacts

Based on the published CVSS vector (C:N/I:L/A:N), the expected impact is primarily integrity-related, meaning unauthorized changes or actions may be possible, rather than direct data exposure or service outage.

From a business-risk perspective, even “limited” unauthorized actions can have outsized consequences: unapproved changes to forms or workflows can disrupt lead capture, skew reporting, reduce campaign effectiveness, and create compliance concerns if submissions or operational processes are altered without proper oversight.

Recommended remediation: Update Calculated Fields Form to version 5.4.4.2 or newer (patched). Track the official record for reference: CVE-2026-25368. Vendor/industry write-up: Wordfence vulnerability advisory.