Description

Incorrect Authorization vulnerability in Drupal Edit in-place field allows Forceful Browsing. This issue affects Edit in-place field versions: from 0.0.0 to 2.1.1.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "8.1",
  "pubDate": "2026-08-25T23:16:57.913Z",
  "pubdate": "2026-08-25T23:16:57.913Z",
  "executiveSummary": "This vulnerability is an Incorrect Authorization flaw identified within the Drupal Edit in-place field module. It permits unauthorized actors to engage in Forceful Browsing, effectively bypassing intended access control restrictions.\nThe vulnerability affects all versions of the Edit in-place field module ranging from 0.0.0 through 2.1.1. By exploiting this flaw, an attacker can access sensitive interface elements or administrative functions that should remain restricted based on the user's assigned role and permissions.\nThe risk implication is significant as it undermines the integrity of the Drupal content management workflow, potentially allowing unauthorized modifications or data exposure. Exploitation does not necessarily require high-level administrative credentials, as the flaw resides in the authorization logic itself, which fails to correctly validate the requester's context before granting access to the edit-in-place interface components.\nAttackers can leverage this to manipulate fields through direct requests, bypassing UI-based security checks and potentially gaining unauthorized entry into backend pathways typically reserved for privileged entities. Immediate remediation is required to restore proper access control mechanisms and prevent illicit data manipulation.",
  "technicalDetails": "The vulnerability originates from a failure in the authorization logic within the Edit in-place field module. The component responsible for mediating access to the 'in-place' editing interface performs insufficient validation of user privileges when processing HTTP requests.\nSpecifically, the flaw enables Forceful Browsing, where an attacker crafts requests to interface routes that are intended to be protected. Because the module does not consistently enforce authorization checks on these internal API endpoints, the application treats incoming requests as legitimate, even when the session lacks the appropriate permissions for the requested operation.\nThe attack flow typically follows this trajectory: First, an attacker identifies the URI patterns used by the Edit in-place field module to communicate with the backend. Second, rather than interacting with the module via the standard Drupal UI—which would normally trigger standard access checks—the attacker directly sends HTTP GET or POST requests to these internal routes. Third, due to the missing authorization gate, the module's backend logic proceeds to execute the requested action, such as accessing sensitive field data or invoking write operations.\nThe vulnerable component is the underlying controller or service responsible for routing and authorizing edit requests. The root cause is the absence of a robust, role-based access control (RBAC) verification step during the request handling lifecycle. This lack of validation effectively turns what should be a UI-only feature into an exposed backend endpoint accessible to any user with the ability to reach the resource via a browser or automated tool.\nThe scope of impact is broad, encompassing all versions from 0.0.0 to 2.1.1. Since the application fails to verify if the actor has the required permissions to perform 'edit' operations on a per-field basis, an attacker can bypass the UI-level restrictions that would normally hide these features from non-authorized users. Post-exploitation, an attacker could potentially modify, delete, or exfiltrate content depending on the specific field being accessed, leading to a compromise of site integrity and data confidentiality."
}