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CVE-2026-15106— WPBot <= 8.5.6 - Missing Authorization to Unauthenticated Arbitrary Chat Session Deletion via 'userid' Parameter

Quick assessment

Affected
quantumcloud WPBot – AI ChatBot for Live Support, Lead Generation, AI Services
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

quantumcloud wpbot是quantumcloud个人开发者开源的一款WordPress聊天机器人。 quantumcloud WPBot 8.5.6及之前版本存在授权问题漏洞，该漏洞源于未正确验证用户是否具有执行操作的授权，可能导致未经验证的攻击者通过提供特制的userid值删除wpbot_user和wpbot_conversation表中的任意聊天会话记录，包括聊天历史记录和对话日志。

CVSS 5.3 · Medium EPSS 0.47% · P39

Affected Version Matrix 1

VendorProduct Version RangeStatus
quantumcloud WPBot – AI ChatBot for Live Support, Lead Generation, AI Services ≤ 8.5.6 affected
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I. Basic Information for CVE-2026-15106

Vulnerability Information
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Vulnerability Title
WPBot <= 8.5.6 - Missing Authorization to Unauthenticated Arbitrary Chat Session Deletion via 'userid' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The WPBot – AI ChatBot for Live Support, Lead Generation, AI Services plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 8.5.6. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to delete arbitrary chat session records from the wpbot_user and wpbot_conversation tables, including chat history and conversation logs, by supplying a crafted userid value.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
quantumcloud WPBot 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
quantumcloud wpbot是quantumcloud个人开发者开源的一款WordPress聊天机器人。 quantumcloud WPBot 8.5.6及之前版本存在授权问题漏洞，该漏洞源于未正确验证用户是否具有执行操作的授权，可能导致未经验证的攻击者通过提供特制的userid值删除wpbot_user和wpbot_conversation表中的任意聊天会话记录，包括聊天历史记录和对话日志。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
quantumcloud WPBot – AI ChatBot for Live Support, Lead Generation, AI Services 0 ~ 8.5.6 -

II. Public POCs for CVE-2026-15106

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III. Intelligence Information for CVE-2026-15106

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Patches & Fixes for CVE-2026-15106 (1)

Security Blog Posts for CVE-2026-15106 (1)

IV. Related Vulnerabilities

Same product: WPBot – AI ChatBot for Live Support, Lead Generation, AI Services
Same vendor: quantumcloud
Same weakness: CWE-862

V. Comments for CVE-2026-15106

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