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

> Authenticated attackers can upload arbitrary files to the Sitecore PowerShell Extension, leading to remote code execution on the server.

- **Severity:** High 8.8 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 17 Jun 2025
- **Updated:** 26 Feb 2026
- **Also known as:** GHSA-74ph-965p-2jc2

## What is CVE-2025-34511?

CVE-2025-34511 is a high-severity vulnerability in Sitecore Powershell Extension, published on 17 Jun 2025. Any signed-in user can exploit it over the network, with no action from the victim.

### Official 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.

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type)

## Which versions are affected by CVE-2025-34511?

It affects 4 products.


Products: Sitecore Experience Commerce, Sitecore Experience Manager, Sitecore Experience Platform, Sitecore Managed Cloud.

## How do I fix CVE-2025-34511?

No fix has been published for CVE-2025-34511 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-34511 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-34511 exists.

Public exploit code:

- Sitecore XP CVE-2025-34511 Post-Authentication File Upload (metasploit)

## Other vulnerabilities in Sitecore Powershell Extension

- [CVE-2025-53690](https://insights.sbomify.com/CVE-2025-53690/): Sitecore Multiple Products Deserialization of Untrusted Data (critical 9.0, exploited in the wild)
- [CVE-2025-53693](https://insights.sbomify.com/CVE-2025-53693/): HTML Cache Poisoning through Unsafe Reflections (critical 9.8)
- [CVE-2023-35813](https://insights.sbomify.com/CVE-2023-35813/): Code injection in n/a (critical 9.8)
- [CVE-2025-53691](https://insights.sbomify.com/CVE-2025-53691/): Sitecore Experience Remote Code Execution through Insecure Deserialization (high 8.8)
- [CVE-2025-34510](https://insights.sbomify.com/CVE-2025-34510/): Sitecore XM, XC, and XP Post-Auth RCE via Zip Slip (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-34511 and fix it if it is affected.

What it is: CVE-2025-34511 is a high-severity vulnerability in Sitecore Powershell Extension, published on 17 Jun 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-34511 exists.

Affected product: Sitecore Powershell Extension. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2025-34511/ (Markdown: https://insights.sbomify.com/CVE-2025-34511/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-34511
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-34511
- OSV: https://osv.dev/vulnerability/CVE-2025-34511

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From sbomify Insights: https://insights.sbomify.com/CVE-2025-34511/
Summaries are generated and may contain mistakes; the official description above is the record.