CVE-2025-34511 - CVE House
Back to Database
Status published High CVE-2025-34511

Sitecore PowerShell Extension RCE via Unrestricted Upload

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-34511

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Piotr Bazydlo of watchTowr

References

More from Sitecore

View All →
CVE-2025-53694
Information Disclosure in ItemServices API
High 7.5
CVE-2025-53693
HTML Cache Poisoning through Unsafe Reflections
Critical 9.8
CVE-2025-53692
Sitecore Experience Platform Cross-Site Scripting Vulnerability
High 7.1
CVE-2025-53691
Sitecore Experience Remote Code Execution through Insecure Deserialization
High 8.8
CVE-2025-53690
Sitecore Products ViewState Deserialization Vulnerability
Critical 9

Affected Vendor

Affected Software

Powershell Extension
Vulnerable Versions:
0

Timeline

Official Publish: June 17th, 2025
Last Modified: February 26th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-434

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1505.003 Web Shell
Persistence
T1105 Ingress Tool Transfer
Command and Control
T1059 Command and Scripting Interpreter
Execution
T1565.002 Stored Data Manipulation
Impact