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CVE-2026-73396— WordPress MWB HubSpot for WooCommerce plugin <= 1.6.7 - Broken Authentication vulnerability

Quick assessment

Affected
MakeWebBetter MWB HubSpot for WooCommerce
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.

在 WooCommerce 插件 MWB HubSpot（版本 <= 1.6.7）中，存在订阅用户身份验证机制被破坏的安全漏洞。

CVSS 7.1 · High EPSS 0.39% · P32

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
MakeWebBetter MWB HubSpot for WooCommerce n/a≤ 1.6.7 affected
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I. Basic Information for CVE-2026-73396

Vulnerability Information
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Vulnerability Title
WordPress MWB HubSpot for WooCommerce plugin <= 1.6.7 - Broken Authentication vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Subscriber Broken Authentication in MWB HubSpot for WooCommerce <= 1.6.7 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用候选路径或通道进行的认证绕过
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
MakeWebBetter MWB HubSpot for WooCommerce n/a ~ 1.6.7 -

II. Public POCs for CVE-2026-73396

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-73396

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IV. Related Vulnerabilities

Same vendor: MakeWebBetter
Same weakness: CWE-288

V. Comments for CVE-2026-73396

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