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CVE-2026-57736— WordPress HubSpot plugin <= 11.3.51 - Sensitive Data Exposure vulnerability

Quick assessment

Affected
HubSpot HubSpot
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.

HubSpot是美国HubSpot公司的一款客户关系管理平台。 HubSpot 11.3.51及之前版本存在信息泄露漏洞，该漏洞源于向发送数据中插入敏感信息，可能导致检索嵌入式敏感数据。

CVSS 7.4 · High EPSS 0.28% · P19

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
HubSpot HubSpot n/a≤ 11.3.51 affected
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I. Basic Information for CVE-2026-57736

Vulnerability Information
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Vulnerability Title
WordPress HubSpot plugin <= 11.3.51 - Sensitive Data Exposure vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Insertion of Sensitive Information Into Sent Data vulnerability in HubSpot allows Retrieve Embedded Sensitive Data. This issue affects HubSpot: from n/a through 11.3.51.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
通过发送数据的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
HubSpot 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HubSpot是美国HubSpot公司的一款客户关系管理平台。 HubSpot 11.3.51及之前版本存在信息泄露漏洞，该漏洞源于向发送数据中插入敏感信息，可能导致检索嵌入式敏感数据。
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
HubSpot HubSpot n/a ~ 11.3.51 -

II. Public POCs for CVE-2026-57736

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III. Intelligence Information for CVE-2026-57736

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Vendor Advisories for CVE-2026-57736 (1)

IV. Related Vulnerabilities

Same vendor: HubSpot
Same weakness: CWE-201

V. Comments for CVE-2026-57736

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