CVE-2025-34511 HIGH

CVE-2025-34511: Sitecore PowerShell Extension RCE via Unrestricted Upload

Vendor Sitecore
Product Powershell Extension
Weakness CWE-434 · Unrestricted file upload
Published June 17, 2025
Last update February 26, 2026
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Sitecore PowerShell Extensions, an add-on to Sitecore Experience Manager (XM) and Experience Platform (XP), through version 7.0 is vulnerable to an unrestricted file upload issue. A remote, authenticated attacker can upload arbitrary files to the server using crafted HTTP requests, resulting in remote code execution.

Key dates

02Disclosure timeline

June 17, 2025 CVE published
February 26, 2026 Record updated