CVE-2025-27800
BaseFortify
Publication date: 2025-07-28
Last updated on: 2025-11-03
Assigner: SEC Consult Vulnerability Lab
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| optimizely | episerver.cms.ui | 12.0 |
| optimizely | episerver.cms.core | 12.0 |
| optimizely | episerver.cms.core | 11.0 |
| optimizely | episerver.cms.ui | 11.0 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a Stored Cross-Site Scripting (XSS) issue in the Episerver Content Management System (CMS) by Optimizely. An authenticated attacker with certain access rights (such as 'WebAdmin') can insert malicious JavaScript code into the 'Notes' gadget on the Admin dashboard. When a victim visits the dashboard, this malicious code executes in their browser, potentially compromising their session or data.
How can this vulnerability impact me? :
The vulnerability allows an attacker to execute malicious JavaScript in the browser of an authenticated user who visits the compromised dashboard. This can lead to unauthorized actions performed on behalf of the victim, theft of sensitive information, session hijacking, or other malicious activities within the CMS environment.