Description

Unauthenticated Cross Site Request Forgery (CSRF) in Mang Board WP <= 2.3.8 versions.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "8.8",
  "pubDate": "2026-09-02T12:17:14.927Z",
  "pubdate": "2026-09-02T12:17:14.927Z",
  "executiveSummary": "The Mang Board plugin for WordPress, specifically versions 2.3.8 and below, contains an unauthenticated Cross-Site Request Forgery (CSRF) vulnerability.\nThis security flaw allows an unauthenticated attacker to induce an authenticated user, typically an administrator, to perform unintended actions within the WordPress environment.\nThe vulnerability arises from the lack of sufficient request validation or CSRF tokens within the plugin's functional endpoints.\nSuccessful exploitation can lead to unauthorized configuration changes, plugin settings modification, or potential administrative actions performed on behalf of the victim.\nBecause the attack leverages the trust established between the victim's browser and the WordPress site, no direct authentication is required from the attacker to initiate the request.\nThe risk implication is significant as it provides a mechanism for unauthorized state-changing operations, potentially compromising the integrity of the target WordPress installation.",
  "technicalDetails": "The vulnerability is identified as an unauthenticated Cross-Site Request Forgery (CSRF) residing within the Mang Board WP plugin infrastructure.\nThe root cause of this vulnerability is the absence of a unique, unpredictable, and server-side validated anti-CSRF token (such as a WordPress nonce) for sensitive request handlers within the plugin.\nWithout such validation, the application cannot verify whether a state-changing request was intentionally initiated by an authenticated user through the intended user interface or if it was forged by an external, malicious source.\nThe attack flow begins when an attacker crafts a malicious web page or an embedded hyperlink designed to send a crafted HTTP request to the vulnerable endpoint on the target WordPress site.\nWhen an authenticated administrator visits the attacker-controlled page or clicks the malicious link, the victim's browser automatically includes their active session cookies with the forged request directed at the Mang Board plugin's vulnerable functions.\nBecause the server-side code fails to verify the request's origin or require a valid nonce, it processes the unauthorized command as a legitimate request from the administrator.\nThis behavior exposes critical administrative functionality—such as modifying plugin options or managing board settings—to unauthorized execution via the victim's session.\nAffected versions include Mang Board WP 2.3.8 and all preceding iterations. The exploitation is remote and does not require the attacker to have direct access to the WordPress backend; it relies entirely on the victim performing an action within their browser.\nPost-exploitation impact includes the modification of plugin configurations, potential data manipulation, or secondary impact depending on what functionality the vulnerable endpoint exposes. If the endpoint allows for arbitrary option updates or administrative actions, an attacker could potentially lead to further escalation, such as modifying other WordPress settings or executing actions that facilitate a persistent compromise of the site, depending on the breadth of functionality exposed to the vulnerable request."
}