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CVE-2026-15241 – Unauthenticated API Key Abuse / Broken Access Control – AI ChatBot for WooCommerce

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Summary

CVE-2026-15241 is a broken access control (improper authorization, CWE-284) vulnerability in the AI ChatBot for WooCommerce (WoowBot) WordPress plugin in all versions before 4.8.4. The plugin performs no authorization or nonce check on one of its AJAX actions, letting unauthenticated attackers abuse the site owner’s stored third-party API key and, when an optional feature is enabled, retrieve indexed knowledge-base content. It is rated High severity (CVSS 7.5).

Technical details

  • Root cause: The qcld_gemini_response AJAX action is exposed without any authorization or nonce verification.
  • Trigger conditions: An unauthenticated attacker sends a crafted request to the vulnerable AJAX endpoint; retrieval of indexed knowledge-base content additionally requires an optional plugin feature to be enabled.
  • Attack vector: Network, no authentication or user interaction required.
  • Impact: Attackers can abuse the site owner’s stored third-party (Gemini) API key to send requests billed to the owner’s account, and can potentially access indexed knowledge-base content — a confidentiality impact.

Affected software

  • AI ChatBot for WooCommerce (WoowBot) — all versions before 4.8.4.

Severity

  • CVSS v3.1 base score: 7.5 (High)
  • Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Mitigation and recommended actions

  • Immediate: Update the AI ChatBot for WooCommerce (WoowBot) plugin to version 4.8.4 or later.
  • If no patch can be applied: Restrict access to the plugin’s admin-ajax.php qcld_gemini_response action at the web server or WAF layer, disable the optional knowledge-base feature, and rotate the third-party API key if abuse is suspected.

References

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