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CVE-2026-73401— WordPress InstaWP Connect plugin <= 0.1.3.7 - Broken Access Control vulnerability

Quick assessment

Affected
InstaWP InstaWP Connect
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.

WordPress InstaWP Connect是WordPress基金会开源的一个创建临时网站环境的CMS插件。 WordPress InstaWP Connect 0.1.3.7及之前版本存在授权问题漏洞，该漏洞源于访问控制不当，可能导致未经身份验证的攻击者绕过访问控制。

CVSS 5.3 · Medium EPSS 0.29% · P20

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
InstaWP InstaWP Connect n/a≤ 0.1.3.7 affected
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I. Basic Information for CVE-2026-73401

Vulnerability Information
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Vulnerability Title
WordPress InstaWP Connect plugin <= 0.1.3.7 - Broken Access Control vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated Broken Access Control in InstaWP Connect <= 0.1.3.7 versions.
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
WordPress InstaWP Connect 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress InstaWP Connect是WordPress基金会开源的一个创建临时网站环境的CMS插件。 WordPress InstaWP Connect 0.1.3.7及之前版本存在授权问题漏洞，该漏洞源于访问控制不当，可能导致未经身份验证的攻击者绕过访问控制。
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
InstaWP InstaWP Connect n/a ~ 0.1.3.7 -

II. Public POCs for CVE-2026-73401

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III. Intelligence Information for CVE-2026-73401

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IV. Related Vulnerabilities

Same product: InstaWP Connect
Same vendor: InstaWP
Same weakness: CWE-862

V. Comments for CVE-2026-73401

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