CVE-2025-34511
Sitecore PowerShell Extension RCE via Unrestricted Upload
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.
INFO
Published Date :
June 17, 2025, 7:15 p.m.
Last Modified :
Sept. 8, 2025, 7:10 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2025-34511
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update Sitecore PowerShell Extensions to the latest version.
- Review and restrict file upload functionality.
- Apply vendor security patches promptly.
Public PoC/Exploit Available at Github
CVE-2025-34511 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-34511.
| URL | Resource |
|---|---|
| https://labs.watchtowr.com/is-b-for-backdoor-pre-auth-rce-chain-in-sitecore-experience-platform/ | Exploit Third Party Advisory |
| https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1003667 | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-34511 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-34511
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
EPSS & VEDAS Score Aggregator for CVEs
cve vulnerability exploit epss vedas exploit-maturity
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-34511 vulnerability anywhere in the article.
-
The Hacker News
⚡ Weekly Recap: WhatsApp 0-Day, Docker Bug, Salesforce Breach, Fake CAPTCHAs, Spyware App & More
Cybersecurity today is less about single attacks and more about chains of small weaknesses that connect into big risks. One overlooked update, one misused account, or one hidden tool in the wrong hand ... Read more
-
Kaspersky
Multiple vulnerabilities in Sitecore CMS | Kaspersky official blog
Researchers have uncovered three vulnerabilities in the popular content management system, Sitecore Experience Platform. CVE-2025-34509 involves a hard-coded password (consisting of just a single lett ... Read more
The following table lists the changes that have been made to the
CVE-2025-34511 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Sep. 08, 2025
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:sitecore:managed_cloud:-:*:*:*:*:*:*:* *cpe:2.3:a:sitecore:experience_manager:*:*:*:*:*:*:*:* versions from (including) 9.0 up to (including) 10.4 *cpe:2.3:a:sitecore:experience_platform:*:*:*:*:*:*:*:* versions from (including) 9.0 up to (excluding) 10.4 *cpe:2.3:a:sitecore:experience_platform:10.4:-:*:*:*:*:*:* *cpe:2.3:a:sitecore:experience_commerce:*:*:*:*:*:*:*:* versions from (including) 9.0 up to (including) 10.4 Added Reference Type VulnCheck: https://labs.watchtowr.com/is-b-for-backdoor-pre-auth-rce-chain-in-sitecore-experience-platform/ Types: Exploit, Third Party Advisory Added Reference Type VulnCheck: https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1003667 Types: Vendor Advisory -
CVE Modified by [email protected]
Jul. 22, 2025
Action Type Old Value New Value Added Reference https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1003667 -
New CVE Received by [email protected]
Jun. 17, 2025
Action Type Old Value New Value Added 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. Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-434 Added Reference https://labs.watchtowr.com/is-b-for-backdoor-pre-auth-rce-chain-in-sitecore-experience-platform/