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CVE-2026-40724— WordPress Client Portal (Pro) plugin <= 5.6.2 - Arbitrary File Download vulnerability

Quick assessment

Affected
Client Portal Ltd. Client Portal (Pro)
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.

Client Portal Ltd Client Portal (Pro)是Client Portal Ltd公司的一款客户门户服务器软件。 Client Portal Ltd Client Portal (Pro) 5.6.2及之前版本存在路径遍历漏洞，该漏洞源于存在任意文件下载风险，可能导致攻击者下载任意文件。

CVSS 6.5 · Medium EPSS 0.44% · P37

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Client Portal Ltd. Client Portal (Pro) n/a≤ 5.6.2 affected
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I. Basic Information for CVE-2026-40724

Vulnerability Information
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Vulnerability Title
WordPress Client Portal (Pro) plugin <= 5.6.2 - Arbitrary File Download vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
CP Client Arbitrary File Download in Client Portal (Pro) <= 5.6.2 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Client Portal Ltd Client Portal (Pro) 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Client Portal Ltd Client Portal (Pro)是Client Portal Ltd公司的一款客户门户服务器软件。 Client Portal Ltd Client Portal (Pro) 5.6.2及之前版本存在路径遍历漏洞，该漏洞源于存在任意文件下载风险，可能导致攻击者下载任意文件。
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
Client Portal Ltd. Client Portal (Pro) n/a ~ 5.6.2 -

II. Public POCs for CVE-2026-40724

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-40724

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Vendor Advisories for CVE-2026-40724 (1)

IV. Related Vulnerabilities

Same weakness: CWE-22

V. Comments for CVE-2026-40724

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