CVE-2026-44962

CRITICAL

Webpros Plesk - Improper Neutralization of Data within XPath Expressions ('XPath Injection')

Title source: rule

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.

References (1)

Core 1

Core References

https://support.plesk.com/hc/en-us/articles/38633651286679-Vulnerability-CVE-2026-44962-in-Plesk-s-APS-Catalog

Scores

CVSS v3 9.9

EPSS 0.0069

EPSS Percentile 47.8%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-643

Status published

Products (2)

WebPros/Plesk 18.0.75.1

WebPros/Plesk 18.0.76.2

Published May 29, 2026

Tracked Since May 29, 2026