← Vulnerability feed

Vulnerability record · CVE-2025-34511 · published 17 June 2025

CVE-2025-34511: Sitecore experience commerce unrestricted file upload vulnerability

SSitecore · Experience Commerce

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.

8.8 CVSS 3.1 High EPSS 30% · top 1.9% CWE-434 · Unrestricted file upload
8.8CVSS 3.1 base score
30%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
2References, 1 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://labs.watchtowr.com/is-b-for-backdoor-pre-auth-rce-chain-in-sitecore-experience-platform/ ExploitThird Party Advisory
https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1003667 Vendor Advisory

Track CVE-2025-34511 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2021-42237Sitecore XP insecure deserialization enables unauthenticated remote code executionSitecore XP 7.5 Initial Release through 8.2 Update-7 deserializes untrusted data, allowing an attacker to run arbitrary commands on the host. No auth…KEVEPSS 98%analysed9.8CVE-2019-9874Sitecore CMS/XP AntiCSRF module .NET deserialization RCEThe Sitecore.Security.AntiCSRF module in Sitecore CMS 7.0-7.2 and Sitecore XP 7.5-8.2 deserializes untrusted data from the HTTP POST parameter __CSRF…KEVEPSS 84%analysed9.0CVE-2025-53690Sitecore XM/XP untrusted deserialization enables code injectionSitecore Experience Manager and Experience Platform through version 9.0 deserialize untrusted data, allowing an attacker to inject and execute code. …KEVEPSS 51%analysed9.8CVE-2025-53693Sitecore experience commerce vulnerabilityUse of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Sitecore Sitecore Experience Manager (XM), Siteco…EPSS 15%9.8CVE-2023-35813Sitecore Experience products remote code execution via code injectionMultiple Sitecore products (Experience Manager, Experience Platform, Experience Commerce, and Managed Cloud) through version 10.3 contain a code inje…EPSS 87%analysed9.8CVE-2023-27068Sitecore experience platform deserialization of untrusted data vulnerabilityDeserialization of Untrusted Data in Sitecore Experience Platform through 10.2 allows remote attackers to run arbitrary code via ValidationResult.asp…EPSS 1.7%8.8CVE-2025-53691Sitecore experience commerce deserialization of untrusted data vulnerabilityDeserialization of Untrusted Data vulnerability in Sitecore Experience Manager (XM), Sitecore Experience Platform (XP) allows Remote Code Execution (…EPSS 1.6%8.8CVE-2025-34510Sitecore experience commerce relative path traversal vulnerabilitySitecore Experience Manager (XM), Experience Platform (XP), and Experience Commerce (XC) versions 9.0 through 9.3 and 10.0 through 10.4 are affected …EPSS 24%

Source: NIST National Vulnerability Database (record CVE-2025-34511), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.