CVE-2023-45045 in WP Custom Widget Area Plugin
Summary
by MITRE • 01/02/2025
Missing Authorization vulnerability in Kishor Khambu WP Custom Widget area allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WP Custom Widget area: from n/a through 1.2.5.
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Analysis
by VulDB Data Team • 01/02/2025
The vulnerability identified as CVE-2023-45045 represents a critical missing authorization flaw within the WP Custom Widget area plugin for WordPress platforms. This security weakness stems from improperly configured access control mechanisms that fail to validate user permissions before granting access to sensitive administrative functions. The vulnerability exists in plugin versions ranging from the initial release through version 1.2.5, indicating a prolonged period during which systems remained exposed to potential exploitation. The affected component specifically targets the widget area functionality where users can customize and manage various content elements through the WordPress administrative interface.
The technical implementation of this vulnerability manifests through inadequate input validation and access control checks within the plugin's codebase. When users attempt to interact with widget configuration options or perform administrative tasks through the custom widget area, the system fails to properly verify whether the requesting user possesses the necessary privileges to execute such operations. This misconfiguration allows unauthorized individuals to bypass normal authentication procedures and potentially gain elevated access to administrative features. The flaw operates at the application level where proper authorization checks should occur before processing user requests, but instead permits operations that should be restricted to authenticated administrators or users with appropriate privileges.
From an operational perspective, this vulnerability poses significant risks to WordPress installations that utilize the affected plugin. Attackers who can exploit this weakness can potentially manipulate widget configurations, inject malicious code, or gain unauthorized access to administrative functions that control site content and settings. The impact extends beyond simple data manipulation as the vulnerability could enable full administrative compromise of affected websites. This represents a classic authorization bypass scenario where the security controls designed to protect sensitive functionality are either absent or improperly implemented. The vulnerability aligns with CWE-285 which specifically addresses improper authorization issues in software systems and represents a fundamental breakdown in the principle of least privilege.
The exploitation of this vulnerability typically requires an attacker to first gain access to a valid user account or to identify a way to bypass initial authentication barriers. Once access is obtained, the attacker can leverage the missing authorization controls to perform actions such as modifying widget configurations, accessing restricted administrative panels, or potentially escalating privileges within the WordPress environment. The attack surface is particularly concerning given that many WordPress installations rely heavily on widget functionality for content management and site customization. This vulnerability creates opportunities for attackers to establish persistent access points within compromised systems while maintaining low detection profiles due to the legitimate nature of widget management activities.
Organizations should implement immediate mitigation strategies including updating to the latest plugin version where the authorization flaw has been addressed. System administrators must also review existing access control configurations and ensure that proper user permission checks are enforced throughout the WordPress environment. Network monitoring should be enhanced to detect unusual widget configuration activities that might indicate exploitation attempts. Security teams should conduct comprehensive vulnerability assessments to identify all instances of the affected plugin across their infrastructure. The remediation process should include not only updating the vulnerable plugin but also reviewing and strengthening overall access control policies within WordPress installations. Additionally, implementing web application firewalls and security monitoring solutions can provide additional layers of protection against exploitation attempts targeting this specific authorization bypass vulnerability.