CVE-2026-44962

Published May 29, 2026 CVSS 3.1 · 9.9 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title XPath Injection in Plesk APS Catalog Enables Local Privilege Escalation
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 10, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'}

cvssV3_1

{'score': 9.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'}

Type Values Removed Values Added
First Time appeared Webpros
Webpros plesk
Vendors & Products Webpros
Webpros plesk
Type Values Removed Values Added
Title XPath Injection in Plesk APS Catalog Enables Local Privilege Escalation
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Weaknesses CWE-643
References
Metrics cvssV3_1

{'score': 10, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
hackerone
Published
Updated
Aug 14, 2026, 3:02 PM
Reserved
May 8, 2026, 3:00 PM
Status
Awaiting Analysis
Published
May 29, 2026, 4:16 PM
Modified
Aug 14, 2026, 4:16 PM