CVE-2025-34511Experience Manager Unrestricted File Upload
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.
Published Jun 17, 2025 · Updated Feb 26, 2026
Key Facts
Patch immediately- CVE-2025-34511 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Experience Commerce (Sitecore), Experience Manager (Sitecore), Experience Platform (Sitecore) and 2 more products.
- It is exploited in the wild, listed in Industry KEV feed since Jun 22, 2025. Public exploit code is available.
- EPSS estimates a 30% probability of exploitation in the next 30 days.
- Fixed versions are available, including Experience Commerce <=10.4, Experience Manager <=10.4, Experience Platform 10.4.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Scores
CVSS v3.1
8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
30%
Higher than 98.1% of all scored CVEs
Exploit maturity
Weaponized
ATLAS score
47/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Jun 22, 2025
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Weaponized
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
3
Reports of active use
Advisories And Exploit References
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Jun 22, 2025 | n/a | Not reported |
Affected Products
6 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Experience CommerceSitecore | See advisory | 10.4 |
| Experience ManagerSitecore | See advisory | 10.4 |
| Experience PlatformSitecore | 10.4 | 10.4 |
| Managed CloudSitecore | See advisory | n/a |
| Powershell Extension | See advisory | n/a |
Patched Releases
Experience Commerce
<=10.4
Experience Manager
<=10.4
Experience Platform
10.4
Timeline
Publicly disclosed
Jun 17, 2025
Added to Industry KEV feed
Jun 22, 2025
Last updated
Feb 26, 2026
Weakness Type
- CWE-434 Unrestricted Upload of File with Dangerous Type
FAQ
Common Questions.
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.
Affected: Experience Commerce (Sitecore); Experience Manager (Sitecore); Experience Platform (Sitecore) versions 10.4, among others. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Jun 22, 2025.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Experience Commerce <=10.4, Experience Manager <=10.4, Experience Platform 10.4.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2025-34511 On Your Attack Surface?
Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.
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