CVE-2026-10737 in SP Project & Document Manager Plugin
Summary
by MITRE • 06/04/2026
The SP Project & Document Manager plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on the view_file function in all versions up to, and including, 4.71. This makes it possible for unauthenticated attackers to read file metadata and obtain download links for arbitrary files stored inside project folders on the server, which can contain sensitive information. The authorization gate uses a negated nonce check OR-chained with permission checks, meaning a missing or invalid nonce causes the entire condition to evaluate to true and bypass all preceding capability and ownership checks. The secondary fallback check only denies access for root-level files (pid == 0), leaving all files stored inside project folders fully exposed to unauthenticated users who supply only a valid file ID in a POST request to admin-ajax.php.
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Analysis
by VulDB Data Team • 06/04/2026
The SP Project & Document Manager plugin for WordPress presents a critical authorization vulnerability that undermines the security of file access controls within the platform. This vulnerability exists in all versions up to and including 4.71, where the view_file function fails to properly validate user permissions before granting access to file resources. The flaw stems from a fundamental misconfiguration in the authorization mechanism that creates an exploitable path for unauthenticated attackers to bypass standard security controls. The vulnerability specifically targets the plugin's file management functionality, where sensitive documents and metadata stored within project folders become accessible to anyone who can craft a properly formatted POST request to the admin-ajax.php endpoint.
The technical implementation of this vulnerability relies on a flawed conditional logic structure that employs a negated nonce check combined with an OR operator in the authorization sequence. This design pattern creates a logical flaw where the absence or invalidity of a nonce parameter causes the entire authorization condition to evaluate as true, effectively bypassing all subsequent capability and ownership validation checks. The system's fallback mechanism only restricts access to root-level files identified by a project id of zero, while completely ignoring the security of files contained within project directories. This oversight means that any file stored within a project folder structure remains accessible to unauthenticated users who can simply submit a valid file ID parameter through the admin-ajax.php interface.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with the ability to enumerate and access arbitrary files within the plugin's file storage system. This exposure can lead to the compromise of sensitive project data, confidential documents, and potentially system-level information that should remain restricted to authorized users only. The vulnerability's exploitation requires minimal technical knowledge, as attackers only need to construct a basic POST request containing a valid file ID parameter, making it particularly dangerous in environments where the plugin is widely deployed. The consequences of unauthorized file access can include intellectual property theft, privacy violations, and potential compliance breaches depending on the nature of the stored data.
Security professionals should recognize this vulnerability as a classic example of improper access control implementation, aligning with CWE-285 which addresses insufficient authorization in software systems. The flaw demonstrates poor defensive programming practices where multiple security checks are improperly chained together, creating a logical vulnerability that undermines the entire authorization framework. From an ATT&CK perspective, this vulnerability maps to privilege escalation and credential access techniques, as attackers can leverage the missing capability check to gain unauthorized access to resources they should not be able to reach. The most effective mitigations involve implementing proper capability checks before any file access operations, ensuring that nonce validation properly gates access to sensitive functions, and removing the OR logic that allows bypass conditions to override legitimate authorization requirements. Immediate patching of the plugin to version 4.72 or later is essential, while administrators should also consider implementing additional monitoring for unusual access patterns to the admin-ajax.php endpoint and review file permissions within project directories to minimize potential damage from this vulnerability.