CVE-2026-44962

State: Published
Severity: 9.9 Critical
Published: May 29, 2026
Updated: Aug 14, 2026
Reserved: May 8, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	9.9 Critical	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H	hackerone

Weaknesses

CWE-643 Improper Neutralization of Data within XPath Expressions ('XPath Injection')

Affected Products

Product	Versions
PleskWebPros	before 18.0.75.1Affected before 18.0.76.2Affected

References

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

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