CVE-2025-57540
BaseFortify
Publication date: 2025-09-09
Last updated on: 2025-09-17
Assigner: MITRE
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| proxmox | virtual_environment | 8.4 |
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 WebAuthn Relying Party field within the Datacenter configuration of Proxmox Virtual Environment (PVE) 8.4. Authenticated users can inject malicious JavaScript code into this field, which is then stored and later executed in the browsers of users who view the configuration page. This enables client-side attacks such as stealing session cookies or performing actions on behalf of the victim user.
How can this vulnerability impact me? :
The vulnerability can lead to client-side attacks where malicious JavaScript code runs in the context of users viewing the affected configuration page. This can result in theft of sensitive information like session tokens, unauthorized actions performed on behalf of users, or other malicious activities that compromise user accounts and system integrity.
What immediate steps should I take to mitigate this vulnerability?
To mitigate the stored XSS vulnerability in the WebAuthn Relying Party field within the Datacenter configuration of Proxmox Virtual Environment 8.4, you should restrict authenticated user permissions to prevent unauthorized JavaScript injection and monitor for updates or patches from Proxmox addressing this issue. Since no specific patch or workaround is detailed, limiting access and avoiding use of the vulnerable field until a fix is available is recommended.