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TI-2026-59970 Aliases CVE-2026-87898GHSA-q589-mpmp-9796

OS command injection in Plesk allows remote authenticated users to execute arbitrary code with root privileges.

Priority MEDIUM 45CWE-78Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-78.

Summary

OS command injection in Plesk allows remote authenticated users to execute arbitrary code with root privileges.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0107 65th percentileScored 2026-11-07
Fix Fixed Plesk extension "Site Import" (WebPros): 1.12.2

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

VendorProductAffected versionsFixed inStatusSource
WebProsPlesk extension "Site Import"1.6.6 – 1.12.11.12.2Patch availableCNA
  • Plesk extension "Site Import" VendorWebPros Affected 1.6.6 – 1.12.1 Fixed in 1.12.2 Patch available CNA

Remediation

  • Fix · CNA Plesk extension "Site Import" (WebPros) Fixed in 1.12.2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-87898
  2. 2026-10-03 Alias added: GHSA-q589-mpmp-9796

References

Other 1

  • 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