CVE-2026-28071 in PixFort Core Plugin
Summary
by MITRE • 03/05/2026
Missing Authorization vulnerability in PixFort pixfort Core pixfort-core allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects pixfort Core: from n/a through <= 3.2.22.
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Analysis
by VulDB Data Team • 03/07/2026
The vulnerability identified as CVE-2026-28071 represents a critical missing authorization flaw within the PixFort pixfort Core plugin, specifically impacting versions ranging from the initial release through version 3.2.22. This security weakness stems from incorrectly configured access control security levels that fail to properly validate user permissions before granting access to sensitive functionalities. The affected plugin serves as a core component in WordPress environments, making this vulnerability particularly dangerous as it could potentially allow unauthorized users to perform administrative actions or access restricted content that should only be available to privileged users. The issue manifests when the plugin fails to implement proper authorization checks, creating a pathway for attackers to escalate their privileges or access data they should not be permitted to view or modify. This type of vulnerability directly violates the principle of least privilege and can result in complete system compromise when exploited by malicious actors.
The technical implementation of this missing authorization vulnerability occurs at the access control validation layer within the pixfort Core plugin codebase. When users attempt to access protected resources or perform administrative functions, the plugin should verify that the requesting user possesses the appropriate permissions before executing the requested operation. However, due to the flawed implementation, these authorization checks are either completely absent or insufficiently enforced, allowing any authenticated user to potentially bypass normal access controls. This misconfiguration creates a persistent security gap that can be exploited through various attack vectors including but not limited to parameter manipulation, session hijacking, or social engineering techniques that leverage the weak access control mechanisms. The vulnerability specifically affects the plugin's handling of user roles and permissions, where the system fails to properly distinguish between different user levels such as subscribers, contributors, editors, and administrators, leading to unauthorized access to core functionality.
The operational impact of this vulnerability extends beyond simple unauthorized access, potentially enabling attackers to execute a wide range of malicious activities within the compromised WordPress environment. An attacker who successfully exploits this vulnerability could modify plugin settings, upload malicious files, create new administrator accounts, or even delete critical content. The affected environment may also experience data breaches where sensitive information stored within the WordPress database becomes accessible to unauthorized parties. Furthermore, the compromised system could serve as a launchpad for additional attacks, allowing threat actors to establish persistence, conduct lateral movement, or deploy additional malware. The vulnerability's impact is particularly severe in environments where the pixfort Core plugin is widely used, as a successful exploitation could affect multiple websites simultaneously, leading to widespread data compromise and service disruption.
Organizations should immediately implement mitigations to address this vulnerability by upgrading to the latest version of the pixfort Core plugin where the authorization checks have been properly implemented and tested. The recommended approach involves conducting a comprehensive security audit of the affected plugin installations to identify any potential exploitation attempts that may have occurred. System administrators should also review user permissions and roles to ensure that only authorized personnel maintain access to administrative functions. Additionally, implementing network monitoring solutions that can detect unusual access patterns or unauthorized privilege escalation attempts provides an additional layer of defense. Security teams should consider implementing web application firewalls to filter out malicious requests targeting known vulnerability patterns and establish incident response procedures that include immediate patching and system hardening measures. This vulnerability aligns with CWE-285, which addresses improper authorization issues, and can be mapped to ATT&CK techniques involving privilege escalation and persistence mechanisms. Organizations should also consider the broader security implications of such vulnerabilities and ensure that their overall security posture includes regular vulnerability assessments, proper access control policies, and continuous monitoring to prevent similar issues from occurring in other components of their WordPress infrastructure.