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CVE-2026-42411— WordPress CloudSecure WP Security plugin <= 1.4.7 - Broken Authentication vulnerability

Quick assessment

Affected
XServer CloudSecure WP Security
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.

CloudSecure WP Security是日本XServer公司的一款网站安全防护插件。 WordPress plugin CloudSecure WP Security 1.4.7及之前版本存在授权问题漏洞，该漏洞源于认证机制失效，可能导致未经身份验证的攻击者绕过认证。

CVSS 8.1 · High EPSS 0.46% · P37

Affected Version Matrix 1

VendorProduct Version RangeStatus
XServer CloudSecure WP Security n/a≤ 1.4.7 affected
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I. Basic Information for CVE-2026-42411

Vulnerability Information
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Vulnerability Title
WordPress CloudSecure WP Security plugin <= 1.4.7 - Broken Authentication vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated Broken Authentication in CloudSecure WP Security <= 1.4.7 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/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
Vulnerability Title
XServer CloudSecure WP Security 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CloudSecure WP Security是日本XServer公司的一款网站安全防护插件。 WordPress plugin CloudSecure WP Security 1.4.7及之前版本存在授权问题漏洞，该漏洞源于认证机制失效，可能导致未经身份验证的攻击者绕过认证。
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
XServer CloudSecure WP Security n/a ~ 1.4.7 -

II. Public POCs for CVE-2026-42411

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III. Intelligence Information for CVE-2026-42411

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Vendor Advisories for CVE-2026-42411 (1)

IV. Related Vulnerabilities

Same vendor: XServer
Same weakness: CWE-288

V. Comments for CVE-2026-42411

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