TI-2026-35960 Aliases CVE-2026-48614 GHSA-29pr-6qrg-q2x4

Code injection in WebPros Plesk

MEDIUM 44CWE-94Published 2026-07-06 · Updated 2026-07-06

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-94.

Summary

An improper authorization vulnerability in the Plesk XML API allows an authenticated user to inject arbitrary configuration directives, resulting in arbitrary file write as root and full privilege escalation on the underlying server.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00581 48th percentileScored 2026-11-07

Fix Fixed Plesk (WebPros): 18.0.78

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
WebPros	Plesk	before 18.0.78	18.0.78	Patch available	CNA

Plesk VendorWebPros Affected before 18.0.78 Fixed in 18.0.78 Patch available CNA

Remediation

Fix · CNA Plesk (WebPros) Fixed in 18.0.78

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

Not affected: 1 product

Red Hat OpenShift Dev Spaces

Timeline

2026-10-02 Threatist record created from CVE-2026-48614
2026-10-03 Alias added: GHSA-29pr-6qrg-q2x4

References

Other 1

https://support.plesk.com/hc/en-us/articles/41171817973143-Vulnerability-in-Plesk-XML-API

TI-2026-30342 WebPros cPanel and WHM Authentication Bypass via Login Flow KEVCVSS 4.0CRITICAL 9.3
TI-2026-46792 Eval injection in cPanel 11.138.0.0 and earlier allows remote authenticated users to execute arbitrary code as root. CVSS 4.0HIGH 8.7
TI-2025-40383 Plesk Obsidian versions 8.0.1 through 18.0.73 are vulnerable to a Denial of Service (DoS)… CVSS 3.1HIGH 7.5
TI-2026-23322 Incorrect privileges management and insufficient path filtering allow to read arbitrary… CVSS 3.1HIGH 8.6
TI-2026-47685 Deserialization of untrusted data in WebPros WHMCS CVSS 4.0CRITICAL 9.3
TI-2026-23317 Authorization bypass in WebPros Comet Backup CVSS 4.0CRITICAL 9.9

See all 50 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences