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.
Published: 2026-05-29
Score: 9.9 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 14 Aug 2026 16:45:00 +0000

Type Values Removed Values Added
Title XPath Injection in Plesk APS Catalog Enables Local Privilege Escalation

Fri, 14 Aug 2026 15:30:00 +0000

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'}


Sat, 30 May 2026 23:00:00 +0000

Type Values Removed Values Added
First Time appeared Webpros
Webpros plesk
Vendors & Products Webpros
Webpros plesk

Fri, 29 May 2026 17:45:00 +0000

Type Values Removed Values Added
Title XPath Injection in Plesk APS Catalog Enables Local Privilege Escalation

Fri, 29 May 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Fri, 29 May 2026 16:15:00 +0000

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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: hackerone

Published:

Updated: 2026-08-14T15:02:39.531Z

Reserved: 2026-05-08T15:00:02.447Z

Link: CVE-2026-44962

cve-icon Vulnrichment

Updated: 2026-05-29T16:43:14.744Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-05-29T16:16:27.567

Modified: 2026-08-14T16:16:55.557

Link: CVE-2026-44962

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-14T16:30:05Z

Weaknesses
  • CWE-643

    Improper Neutralization of Data within XPath Expressions ('XPath Injection')