CVE-2025-64277 MEDIUM

CVE-2025-64277: WordPress ChatBot plugin <= 7.3.9 - Broken Access Control vulnerability

Vendor Quantumcloud
Product ChatBot
Weakness CWE-862 · Missing authorization
Published November 13, 2025
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

What the vulnerability does

01Description

Missing Authorization vulnerability in QuantumCloud ChatBot chatbot allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects ChatBot: from n/a through <= 7.3.9.

Explanation of Vulnerability in Simple Terms

02Summary

QuantumCloud ChatBot versions 7.3.9 and earlier lack proper authorization checks, allowing unauthenticated attackers to disrupt service availability. The vulnerability requires only network access and no user interaction. Sites running affected versions should upgrade to version 8.4.8 or later to restore proper access controls.

What an attacker can do

03Attacker Capabilities

Disrupt the ChatBot service and make it unavailable to legitimate users.

Potential impact on your site

04Site Impact

ChatBot service becomes unavailable or degraded for your users until you upgrade.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

November 13, 2025 CVE published
April 28, 2026 Record updated