CVE-2025-34511
Sitecore PowerShell Extension RCE via Unrestricted Upload
- State
- Published
- Severity
- 8.8 High
- Published
- Jun 17, 2025
- Updated
- Feb 26, 2026
- Reserved
- Apr 15, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-434 Unrestricted Upload of File with Dangerous Type
Affected Products
| Product | Versions |
|---|---|
Powershell ExtensionSitecore |
|
References
- https://labs.watchtowr.com/is-b-for-backdoor-pre-auth-rce-chain-in-sitecore-experience-platform/third-party-advisoryexploittechnical-description
- https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1003667vendor-advisory
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