Description

Unauthenticated Broken Access Control in Arvow AI SEO Writer <= 1.5.3 versions.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "7.5",
  "pubDate": "2026-08-13T14:17:08.380Z",
  "pubdate": "2026-08-13T14:17:08.380Z",
  "executiveSummary": "This security assessment evaluates an unauthenticated broken access control vulnerability affecting the Arvow AI SEO Writer product.\nThe vulnerability resides in software versions 1.5.3 and prior, allowing unauthenticated remote threat actors to bypass authorization mechanisms.\nSuccessful exploitation of this security flaw can lead to unauthorized access, potential data manipulation, or execution of privileged functionalities without requiring valid user credentials.\nThe root cause stems from improper implementation of access controls on sensitive endpoints, exposing administrative or restricted functions to the public network perimeter.\nRisk implications include complete compromise of the affected plugin's operational integrity, unauthorized generation or modification of content, and potential leakage of sensitive configuration data.\nAttacker capabilities require network-based connectivity to the target application, targeting exposed functions directly via HTTP requests.\nNo complex exploitation requirements or prior authentication are mandated, lowering the barrier to entry for malicious actors scanning for vulnerable installations.",
  "technicalDetails": "The vulnerability is categorized as a Broken Access Control flaw, specifically involving the absence of proper authentication and authorization checks within the Arvow AI SEO Writer plugin.\nAffected software versions include all iterations up to and including version 1.5.3.\nThe vulnerable component comprises the application's request-handling architecture, where endpoints intended for administrative or restricted use fail to validate the session state or privilege level of the incoming HTTP requestor.\nNetwork exposure is fully external, meaning any remote adversary with network access to the web application hosting the vulnerable plugin can interact with the unprotected functionality.\nAuthentication requirements are entirely absent, allowing unauthenticated users to invoke sensitive methods that should strictly require high-privilege administrative roles.\nThe exploitation method relies on identifying and sending crafted HTTP requests directly to the unprotected functional endpoints or AJAX handlers managed by the plugin.\nThe attack flow proceeds as follows: First, the adversary identifies the presence of the Arvow AI SEO Writer plugin and maps its exposed endpoints. Second, the attacker crafts a targeted HTTP request directed at a restricted function, bypassing any frontend UI limitations. Third, because the backend logic lacks proper authorization checks and session validation, the application processes the request as if it originated from an authenticated administrator. Finally, the server executes the requested operation, granting the attacker unauthorized control over the plugin's features.\nPayload behavior depends on the specific endpoint targeted, potentially resulting in unauthorized content generation, modification of plugin settings, or execution of backend routines designed exclusively for site administrators.\nPost-exploitation impact includes unauthorized utilization of AI generation quotas, manipulation of SEO configurations, persistent alterations to site data, and potential establishment of a secondary foothold depending on the breadth of the exposed functions."
}