CVE-2026-32376 in Kalon Plugin
Summary
by MITRE • 03/13/2026
Missing Authorization vulnerability in raratheme Kalon kalon allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Kalon: from n/a through <= 1.2.9.
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Analysis
by VulDB Data Team • 03/15/2026
The CVE-2026-32376 vulnerability represents a critical missing authorization flaw within the raratheme Kalon theme, specifically impacting versions through 1.2.9. This vulnerability stems from incorrectly configured access control security levels that fail to properly validate user permissions before granting access to sensitive functionality. The flaw exists within the theme's authorization mechanisms, where proper checks are either absent or improperly implemented, allowing unauthorized users to exploit functionality that should be restricted to administrators or authenticated users only.
This vulnerability falls under the CWE-863 category of Incorrect Authorization, which specifically addresses situations where the system fails to properly enforce access control policies. The issue manifests when the Kalon theme fails to verify user roles or capabilities before executing privileged operations, creating a pathway for attackers to bypass intended security controls. The problem is particularly concerning because it affects the core theme functionality rather than being isolated to a specific plugin or module, making it a systemic security weakness within the WordPress ecosystem.
The operational impact of this vulnerability is significant as it allows attackers to perform administrative actions without proper authorization, potentially leading to complete compromise of affected WordPress installations. An attacker could leverage this flaw to modify theme settings, upload malicious files, alter content, or even escalate privileges within the WordPress environment. The vulnerability's scope extends beyond simple unauthorized access, as it can enable persistent backdoor establishment and long-term compromise of the affected systems. This represents a classic privilege escalation attack vector that aligns with ATT&CK technique T1078.004 for Valid Accounts and T1499.004 for Unsecured Credentials.
Mitigation strategies should focus on immediate patching of the affected Kalon theme to version 1.2.10 or later, which contains the necessary authorization fixes. Organizations should also implement comprehensive access control reviews to ensure proper user role definitions and capability assignments. Network monitoring should be enhanced to detect suspicious administrative activities that might indicate exploitation attempts. Additionally, security hardening measures including regular security audits, proper user permission management, and implementation of Web Application Firewalls should be considered as additional protective layers. The vulnerability underscores the importance of proper authorization implementation in WordPress themes and highlights the need for thorough security testing of theme components before deployment in production environments.