CVE-2026-25363 in FooGallery Plugin
Summary
by MITRE • 02/19/2026
Missing Authorization vulnerability in FooPlugins FooGallery foogallery allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects FooGallery: from n/a through <= 3.1.11.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 02/27/2026
The CVE-2026-25363 vulnerability represents a critical missing authorization flaw within the FooPlugins FooGallery WordPress plugin, specifically impacting versions ranging from the initial release through version 3.1.11. 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 creates a pathway for unauthorized users to bypass normal authentication checks and execute privileged operations within the plugin's administrative interface. The flaw manifests when the plugin fails to properly verify whether the requesting user possesses adequate privileges to perform specific actions, effectively allowing any authenticated user to access functionality that should be restricted to administrators or authorized personnel only.
From a technical perspective, this vulnerability operates as an access control misconfiguration that directly maps to CWE-285, which defines improper authorization conditions in software systems. The flaw likely exists in the plugin's capability checking routines where user roles and permissions are not properly validated before executing administrative functions. Attackers can exploit this by crafting requests that target the plugin's administrative endpoints without proper authentication, potentially gaining access to gallery management features, media file operations, or configuration settings that should remain restricted. The vulnerability's impact is amplified because it affects the core plugin functionality rather than being isolated to specific features, making it a systemic security weakness that undermines the entire plugin's security posture.
The operational implications of this vulnerability extend beyond simple unauthorized access, as it creates potential for data manipulation, content tampering, and privilege escalation within the WordPress environment. An attacker who successfully exploits this flaw could modify gallery configurations, upload malicious files, or alter existing media content, potentially leading to defacement or more sophisticated attacks. The vulnerability's presence in versions through 3.1.11 suggests that it has remained unaddressed for an extended period, increasing the risk exposure for affected installations. Security researchers should note that this issue aligns with ATT&CK technique T1078.004 which covers valid accounts and T1068 which involves exploit for privilege escalation, making it particularly dangerous in environments where WordPress sites are not regularly updated or monitored for security patches.
Organizations affected by this vulnerability should immediately implement mitigations including updating to the latest available version of FooGallery where the authorization checks have been properly implemented. System administrators should also consider implementing additional security measures such as restricting access to administrative endpoints through firewall rules, implementing web application firewalls, or configuring additional authentication layers. The vulnerability demonstrates the critical importance of proper access control implementation and highlights why security controls must be rigorously tested and validated. Security teams should conduct comprehensive audits of all installed plugins to identify similar authorization flaws and ensure that proper role-based access controls are enforced throughout the WordPress ecosystem. Regular security assessments and penetration testing can help identify such misconfigurations before they can be exploited by malicious actors in the wild.