CVE-2026-39763 in Dummy Content Generator Plugin
Summary
by MITRE • 10/05/2026
Missing Authorization vulnerability in Deepak Anand WP Dummy Content Generator wp-dummy-content-generator allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WP Dummy Content Generator: from n/a through 4.0.0.
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Analysis
by VulDB Data Team • 10/05/2026
The vulnerability identified as a missing authorization flaw within the WP Dummy Content Generator plugin represents a critical failure in access control mechanisms, specifically categorized under CWE-285 Improper Access Control. This security deficiency allows unauthorized users to perform actions that should be restricted to authenticated administrators or specific user roles with elevated privileges. The root cause lies in the incorrect configuration of security levels for certain endpoints and functions within the plugin's codebase, which fails to adequately verify whether the requesting user possesses the necessary permissions before executing sensitive operations. This type of vulnerability is particularly dangerous because it bypasses standard WordPress capability checks, effectively rendering role-based access control ineffective for the affected components.
From an operational perspective, this flaw enables attackers who have at least subscriber-level access or even unauthenticated users if the plugin exposes endpoints without any login requirement to manipulate dummy content generation processes. The impact extends beyond simple data manipulation; it can lead to unauthorized creation of posts, pages, and media items that consume server resources, potentially leading to denial-of-service conditions through resource exhaustion. Furthermore, attackers may use this access to inject malicious payloads or misleading information into the site's database, compromising the integrity of the content management system. In severe cases, if the plugin interacts with other vulnerable components or exposes sensitive configuration data during its dummy generation process, it could facilitate further exploitation vectors such as cross-site scripting or SQL injection, although the primary issue remains the lack of proper authorization checks.
The technical execution typically involves crafting specific HTTP requests to endpoints managed by the WP Dummy Content Generator that do not properly validate the current user's capabilities using WordPress functions like current_user_can or capability mapping. By bypassing these checks, an attacker can trigger actions such as generating large volumes of dummy data, deleting existing content, or modifying plugin settings without authorization. This aligns with MITRE ATT&CK techniques related to privilege escalation and unauthorized resource consumption, where the adversary leverages misconfigured access controls to gain foothold or disrupt service availability within the web application environment.
Mitigation strategies must focus on immediate remediation of the codebase by ensuring all administrative functions are protected by robust capability checks that verify user roles against WordPress standards. Developers should implement strict input validation and output encoding alongside authorization verification to prevent secondary attacks. For site administrators, it is imperative to update the WP Dummy Content Generator plugin to version 4.0.1 or later where this issue has been addressed. If an immediate patch is unavailable, temporary mitigation involves disabling the plugin entirely until a secure version can be deployed. Additionally, implementing Web Application Firewalls with rules targeting known exploitation patterns for missing authorization flaws can provide an additional layer of defense by blocking suspicious requests that attempt to access restricted endpoints without proper credentials or permissions. Regular security audits and code reviews focusing on access control logic are recommended to prevent similar vulnerabilities in future updates.