CVE-2025-15540
Arbitrary Code Execution via Unsandboxed JavaScript in Raytha CMS
Publication date: 2026-03-16
Last updated on: 2026-03-17
Assigner: CERT.PL
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| raytha | raytha | to 1.4.6 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-94 | The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
The vulnerability exists in the "Functions" module of Raytha CMS, which allows privileged users to write custom JavaScript code to add functionality to the application.
Due to a lack of sandboxing or access restrictions, the JavaScript code executed through this feature can instantiate .NET components and perform arbitrary operations within the application's hosting environment.
This means that malicious or unintended code could execute with high privileges, potentially compromising the system.
How can this vulnerability impact me? :
This vulnerability can allow an attacker with privileged access to execute arbitrary code within the hosting environment of Raytha CMS.
Such arbitrary operations could lead to unauthorized actions, data compromise, or disruption of the application and its environment.
Because the vulnerability allows instantiation of .NET components, it could be leveraged to perform a wide range of malicious activities depending on the environment and permissions.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
The vulnerability in Raytha CMS was fixed in version 1.4.6.
To mitigate this vulnerability, you should immediately upgrade your Raytha CMS installation to version 1.4.6 or later.