CVE-2026-44962

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.

Score

CVSS 3.1 9.9 Critical

Status

Awaiting Analysis - support@hackerone.com

Published

2026-05-29

Last modified

2026-08-14

Weaknesses

CWE-643

Affected products

• Plesk (Webpros)

References

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