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CVE-2026-44962

Quick assessment

Affected
WebPros Plesk
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.

Plesk是瑞士Plesk公司的一个网络主机控制面板。 Plesk存在安全漏洞，该漏洞源于APS应用目录搜索功能中XPath注入，用户输入未正确清理直接插入XPath查询，可能导致低权限认证用户执行任意操作系统命令，实现本地权限提升。

CVSS 9.9 · Critical EPSS 0.55% · P44

Affected Version Matrix 2

VendorProduct Version RangeStatus
WebPros Plesk < 18.0.75.1 affected
< 18.0.76.2 affected
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I. Basic Information for CVE-2026-44962

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Plesk contains an XPath injection vulnerability in the APS Application Catalog search functionality, where user-supplied input is interpolated into XPath queries without proper sanitization. This allows an authenticated, low-privileged user to execute arbitrary operating system commands on the server, resulting in local privilege escalation.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
XPath表达式中数据转义处理不恰当(XPath注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Plesk 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Plesk是瑞士Plesk公司的一个网络主机控制面板。 Plesk存在安全漏洞，该漏洞源于APS应用目录搜索功能中XPath注入，用户输入未正确清理直接插入XPath查询，可能导致低权限认证用户执行任意操作系统命令，实现本地权限提升。
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
WebPros Plesk 0 ~ 18.0.75.1 -

II. Public POCs for CVE-2026-44962

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III. Intelligence Information for CVE-2026-44962

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Vendor Advisories for CVE-2026-44962 (1)

IV. Related Vulnerabilities

Same product: Plesk
Same vendor: WebPros
Same weakness: CWE-643

V. Comments for CVE-2026-44962

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