CVE-2026-81162 in DXPR Builder Plugin
Summary
by MITRE • 09/02/2026
Insertion of Sensitive Information Into Sent Data vulnerability in Drupal DXPR Builder: The Best Editing (AI) Experience for Drupal allows Forceful Browsing. This issue affects DXPR Builder: The Best Editing (AI) Experience for Drupal versions: from 0.0.0 to 2.8.1.
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Analysis
by VulDB Data Team • 09/02/2026
The vulnerability identified in the DXPR Builder module for Drupal, specifically affecting versions ranging from 0.0.0 up to and including version 2.8.1, represents a critical security flaw categorized under CWE-209: Generation of Error Message Containing Sensitive Information. This issue arises when the application processes user requests through its interface, inadvertently exposing internal system details or sensitive data within HTTP responses intended for external consumption. The core technical failure lies in the module's handling of error conditions and diagnostic outputs during content editing operations powered by artificial intelligence features. When a request fails due to malformed input, authentication issues, or other operational errors, the application does not sanitize the resulting response payload adequately. Instead, it returns verbose stack traces, database query fragments, file paths, or internal configuration parameters directly within the HTTP body or headers. This behavior transforms standard error handling mechanisms into information disclosure vectors that can be exploited by malicious actors to map the underlying infrastructure and identify further attack surfaces.
From an operational perspective, this vulnerability facilitates Forceful Browsing attacks as described in CWE-427: Uncontrolled Search Path Element, although the primary mechanism here is more accurately aligned with improper error handling leading to information leakage rather than path traversal itself. The term "Forceful Browsing" in this context refers to the ability of an attacker to systematically probe endpoints and analyze the detailed responses returned by the server. By sending crafted requests that trigger specific failure states within the DXPR Builder's AI editing engine, attackers can observe how the application reacts. These reactions often reveal version-specific behaviors, library dependencies, or database schema structures that are not visible during normal operation. This intelligence gathering phase is crucial for subsequent exploitation stages, as it allows adversaries to tailor their attacks against known vulnerabilities in specific software versions or configurations exposed through these error messages.
The impact of this vulnerability extends beyond mere data exposure; it significantly lowers the barrier for entry for automated scanning tools and script kiddies who rely on predictable application behaviors. Once sensitive information such as absolute file paths, database connection strings, or internal API endpoints is disclosed, attackers can construct more precise payloads to exploit related vulnerabilities like SQL injection or remote code execution. For instance, knowing the exact location of configuration files allows an attacker to target those specific resources with targeted requests that might bypass generic security controls. Furthermore, exposure of AI-related processing details could reveal patterns in how content is generated or validated, potentially aiding in adversarial machine learning attacks aimed at manipulating the output quality or integrity of Drupal sites using this module.
Mitigation strategies must focus on implementing robust error handling practices as recommended by industry standards such as OWASP Application Security Verification Standard 4.0.6 regarding secure error handling and information leakage prevention. Developers should ensure that all user-facing applications return generic, non-descriptive error messages to end-users while logging detailed diagnostic information securely in server-side logs accessible only to authorized administrators. In the immediate term, site administrators running affected versions of DXPR Builder must upgrade to a patched version where this issue has been resolved by the vendor. Until an update is available or if upgrading is not immediately feasible, implementing web application firewall rules can help mitigate risk by detecting and blocking requests that trigger verbose error responses or by filtering out sensitive data patterns from HTTP responses before they reach the client. Regular security audits focusing on information disclosure vulnerabilities are also essential to ensure that no other modules within the Drupal ecosystem exhibit similar weaknesses in their response handling mechanisms.