Description

Unauthenticated Sensitive Data Exposure in bbPress <= 2.6.14 versions.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "5.3",
  "pubDate": "2026-09-11T19:17:45.143Z",
  "pubdate": "2026-09-11T19:17:45.143Z",
  "executiveSummary": "This vulnerability involves an unauthenticated sensitive data exposure flaw identified in bbPress versions 2.6.14 and earlier.\nThe vulnerability type is categorized as Improper Access Control, which allows remote, unauthenticated attackers to retrieve private or restricted information that should be protected by authentication boundaries.\nThe primary impact of this exposure is the unauthorized disclosure of potentially sensitive user or forum data, compromising confidentiality.\nThe vulnerability affects all bbPress installations running version 2.6.14 or prior. Risk implications are significant, as it enables data harvesting without requiring valid session tokens or administrative privileges.\nAn attacker can exploit this via simple network requests directed at the vulnerable endpoints, requiring no prior knowledge of the internal system architecture beyond the publicly reachable URL structure.\nSuccessful exploitation allows an adversary to gain access to information intended to remain private, potentially facilitating further attacks such as social engineering or account takeover, depending on the nature of the exposed data.",
  "technicalDetails": "The vulnerability resides within the core access control logic of the bbPress plugin for WordPress, specifically in the handling of internal requests that fail to enforce strict authorization checks on sensitive data-fetching routines.\nRoot cause: The affected components lack the necessary capability checks (such as 'current_user_can') or object-level authorization verification before rendering data to the user. Consequently, the application erroneously processes requests for sensitive resources regardless of the requester's session state.\nAttack flow: An unauthenticated attacker identifies a targeted endpoint—typically associated with data retrieval functions that erroneously expose private post content, user profiles, or forum metadata. By crafting a HTTP GET request, the attacker probes these endpoints.\nThe application backend, failing to validate whether the requester possesses the required permissions, processes the request and retrieves the requested records from the database. The resulting data object, which may include non-public information, is then reflected in the HTTP response body returned to the attacker.\nThis exposure is possible due to the insecure implementation of the data access layer, where the plugin trusts the incoming request parameters without verifying the user's role or access rights at the application layer. No authentication or elevated privileges are required, as the endpoint is exposed globally.\nPost-exploitation, an attacker can leverage this unauthorized access to enumerate private forum discussions, extract user information, or identify administrative configurations that were intended to be hidden. The impact is persistent as long as the vulnerable version remains active and exposed on the web server, as the data leakage does not require complex payloads, only the identification of the vulnerable URL parameters or paths managed by the bbPress architecture."
}