CVE-2026-102397 in Ultimate Maps Plugin
Summary
by MITRE • 09/30/2026
Unauthenticated Broken Access Control in Ultimate Maps by Supsystic <= 1.5.5 versions.
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Analysis
by VulDB Data Team • 09/30/2026
The vulnerability identified as an unbroken access control issue within the Ultimate Maps plugin for WordPress, specifically affecting versions up to and including 1.5.5, represents a critical security flaw that allows unauthorized users to interact with sensitive administrative functionalities without proper authentication. This type of vulnerability is fundamentally rooted in CWE-284, which describes Improper Access Control, where the software fails to correctly enforce restrictions on what authenticated or unauthenticated users are allowed to do. In this specific context, the plugin exposes endpoints or actions that should be restricted to administrators with valid session tokens and appropriate capabilities but instead processes requests from any user who can craft a malicious HTTP request. This lack of server-side validation for permissions means that an attacker does not need to possess login credentials to exploit the flaw, significantly lowering the barrier to entry for potential adversaries.
From a technical perspective, the exploitation typically involves sending crafted POST or GET requests to specific AJAX action handlers registered by the plugin. WordPress plugins often utilize nonces and capability checks such as current_user_can to secure administrative actions. In this case, these safeguards are either missing, incorrectly implemented, or bypassed due to flawed logic in how the plugin verifies user roles before executing map-related operations. An attacker can leverage tools like curl or specialized web vulnerability scanners to send requests that trigger functions responsible for creating, modifying, deleting, or retrieving data related to maps and their associated markers. Because these actions often involve database interactions, the impact extends beyond simple information disclosure to potential data manipulation and integrity compromise.
The operational impact of this vulnerability is severe due to its unauthenticated nature. Attackers can remotely manipulate map configurations stored in the WordPress database, potentially altering geographic data points that are critical for business operations or public-facing applications built on top of the plugin. Furthermore, if the underlying functions interact with file systems or execute system commands through improper sanitization of input parameters derived from these requests, there is a risk of escalating to Remote Code Execution (RCE), although this depends heavily on specific code paths within the affected version. Even without RCE, the ability to delete map data can lead to significant service disruption and loss of business continuity for organizations relying on accurate geospatial information displayed through their WordPress sites. This aligns with ATT&CK technique T1059, Command and Scripting Interpreter, if script injection is possible, or more broadly with lateral movement techniques if the compromised state allows further exploitation within the network environment.
Mitigation strategies must prioritize immediate remediation by updating the Ultimate Maps plugin to a version greater than 1.5.5 where these access control checks have been properly implemented and tested. Until an update can be applied, administrators should consider disabling the plugin entirely or restricting access to the WordPress admin area through IP whitelisting if feasible within their network architecture. Additionally, implementing Web Application Firewalls (WAF) with rulesets tuned for common WordPress vulnerabilities such as broken object level authorization can provide a layer of defense against exploitation attempts by blocking malicious request patterns before they reach the application logic. Regular security audits and penetration testing are recommended to identify similar access control weaknesses in other plugins or custom code, ensuring that future development adheres strictly to secure coding standards like those outlined in OWASP guidelines for authentication and session management.