CVE-2023-46309 in wpDiscuz Plugin
Summary
by MITRE • 01/02/2025
Missing Authorization vulnerability in gVectors Team wpDiscuz allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects wpDiscuz: from n/a through 7.6.10.
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Analysis
by VulDB Data Team • 05/30/2025
The vulnerability identified as CVE-2023-46309 represents a critical missing authorization flaw within the gVectors Team wpDiscuz plugin, which is widely utilized for comment management on wordpress websites. This weakness stems from improperly configured access control security levels that fail to adequately validate user permissions before granting access to sensitive functionalities. The vulnerability affects all versions of wpDiscuz from the initial release through version 7.6.10, indicating a prolonged period during which this security gap existed. The root cause of this issue lies in the plugin's failure to implement proper authorization checks, allowing unauthorized users to potentially exploit administrative functions that should be restricted to legitimate administrators or moderators.
The technical implementation of this vulnerability demonstrates a classic access control misconfiguration where the wpDiscuz plugin does not sufficiently verify user roles or capabilities before executing privileged operations. This flaw typically manifests when the application fails to perform adequate authentication checks on endpoints that handle comment moderation, plugin configuration changes, or other administrative tasks. Attackers can exploit this by crafting requests that bypass normal authorization flows, potentially gaining access to comment management features, user data manipulation capabilities, or other sensitive administrative functions. The vulnerability operates at the application layer and specifically impacts the plugin's security model, which relies on proper role-based access controls to maintain system integrity.
From an operational perspective, this missing authorization vulnerability poses significant risks to wordpress installations using the affected wpDiscuz plugin. Unauthorized individuals could potentially manipulate comment data, access private user information, or modify plugin settings that affect the entire website's functionality. The impact extends beyond simple data manipulation to include potential privilege escalation scenarios where attackers might gain elevated access to administrative functions. This vulnerability directly violates security principles outlined in the CWE-284 category, which specifically addresses improper access control issues. The attack surface is particularly concerning given that wpDiscuz is a popular plugin with widespread deployment across numerous wordpress installations, making this vulnerability attractive to automated exploitation tools.
Organizations and system administrators should immediately prioritize patching their wpDiscuz installations to address this vulnerability, as the affected versions span a considerable timeframe. The recommended mitigation strategy involves updating to the latest available version of wpDiscuz that contains proper authorization checks and access control implementations. Additionally, implementing network-level monitoring to detect unusual access patterns or unauthorized attempts to access administrative endpoints can provide early warning of potential exploitation attempts. Security teams should also consider implementing additional access control measures such as two-factor authentication for administrative accounts and regular security audits of plugin configurations. The vulnerability aligns with ATT&CK techniques related to privilege escalation and credential access, making it particularly dangerous in environments where wordpress sites serve as entry points for broader network infiltration attempts.