CVE-2026-44962_CVE-2026-44962

10 / 10

CRITICAL

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

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.

Basic Information

ID CVE-2026-44962

Source hackerone

Published May 29, 2026 at 15:41

Affected Product

Vendor WebPros

Product Plesk

Version 18.0.75.1

Affected Versions WebPros Plesk 18.0.75.1
WebPros Plesk 18.0.76.2

CWE Classification

CWE-643

References

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

{
    "lastseen": "",
    "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": "2026-05-29T15:41:23.795Z",
    "modified": "2026-05-29T15:41:23.795Z",
    "type": "cve",
    "title": "CVE-2026-44962",
    "source": "hackerone",
    "references": "https://support.plesk.com/hc/en-us/articles/38633651286679-Vulnerability-CVE-2026-44962-in-Plesk-s-APS-Catalog",
    "id": "CVE-2026-44962",
    "bulletinFamily": "",
    "cwe": [
        "CWE-643"
    ],
    "cvelist": null,
    "sourceData": "WebPros Plesk 18.0.75.1\nWebPros Plesk 18.0.76.2",
    "sourceHref": "",
    "cvss": {
        "score": 10,
        "severity": "CRITICAL",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Plesk",
    "version": "18.0.75.1",
    "vendor": "WebPros",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}