CVE-2026-44962 | BDVDB-2026-336575 Detail

WebProsPlesk

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

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

References#

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

Exploit#

No public exploit known

History#

Version 12026-05-29Record published in the CVE List.
Version 22026-08-14Most recent update recorded in the CVE List.

Published

Published: 2026-05-29
Last modified: 2026-08-14

Vendor information

Vendor: WebPros
Product: Plesk

All WebPros vulnerabilities

Score

9.9 Critical

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 53.0.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 18.0.75.1
Fixed
18.0.75.1
Vulnerable
< 18.0.76.2
Fixed
18.0.76.2

Scoring System

CVSS v4.0

Not available

CVSS v3.1

9.9 Critical

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Changed
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).