Sitecore PowerShell Extension RCE via Unrestricted Upload
Priority HIGH 73CWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-434.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.30446 98th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Sitecore | Powershell Extension | up to 7.0 | — | No fix listed | CNA |
- Powershell Extension VendorSitecore Affected up to 7.0 Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:sitecore:experience_commerce:*:*:*:*:*:*:*:* | 9.0 – 10.4 | Vulnerable | Sitecore |
| cpe:2.3:a:sitecore:experience_manager:*:*:*:*:*:*:*:* | 9.0 – 10.4 | Vulnerable | Sitecore |
| cpe:2.3:a:sitecore:experience_platform:*:*:*:*:*:*:*:* | 9.0 to before 10.4 | Vulnerable | Sitecore |
| cpe:2.3:a:sitecore:experience_platform:10.4:-:*:*:*:*:*:* | 10.4 | Vulnerable | Sitecore |
| cpe:2.3:a:sitecore:managed_cloud:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Sitecore |
- cpe:2.3:a:sitecore:experience_commerce:*:*:*:*:*:*:*:* Versions 9.0 – 10.4 Vulnerable ·Sitecore
- cpe:2.3:a:sitecore:experience_manager:*:*:*:*:*:*:*:* Versions 9.0 – 10.4 Vulnerable ·Sitecore
- cpe:2.3:a:sitecore:experience_platform:*:*:*:*:*:*:*:* Versions 9.0 to before 10.4 Vulnerable ·Sitecore
- cpe:2.3:a:sitecore:experience_platform:10.4:-:*:*:*:*:*:* Versions 10.4 Vulnerable ·Sitecore
- cpe:2.3:a:sitecore:managed_cloud:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Sitecore
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-34511
- 2026-10-03 Alias added: GHSA-74ph-965p-2jc2
References
More Sitecore Experience Commerce vulnerabilities
- TI-2025-33607 Sitecore Products ViewState Deserialization Vulnerability KEVCVSS 3.1CRITICAL 9.0
- TI-2023-17897 Multiple Sitecore products allow remote code execution. CVSS 3.1CRITICAL 9.8
- TI-2025-33610 HTML Cache Poisoning through Unsafe Reflections CVSS 3.1CRITICAL 9.8
- TI-2025-24533 Sitecore XM and XP Hardcoded Credentials CVSS 3.1HIGH 7.5
- TI-2025-33608 Sitecore Experience Remote Code Execution through Insecure Deserialization CVSS 3.1HIGH 8.8
- TI-2025-24534 Sitecore XM, XC, and XP Post-Auth RCE via Zip Slip CVSS 3.1HIGH 8.8
Sources
- CVE-2025-34511 · CVE Program
- CVE-2025-34511 · NVD
- FIRST EPSS
- GHSA-74ph-965p-2jc2 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences