CVE-2025-9407
BaseFortify
Publication date: 2025-08-25
Last updated on: 2026-04-29
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| mtons | mblog | to 3.5.0 (inc) |
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. |
| 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?
CVE-2025-9407 is a stored Cross-Site Scripting (XSS) vulnerability in the mtons mblog application (up to version 3.5.0) affecting the /settings/profile endpoint. Specifically, the vulnerability arises because the 'bio' parameter, which users can control, is not properly validated or encoded when displayed. This allows an attacker to inject malicious scripts that are stored on the server and executed in the browsers of other users who view the compromised profile page. [1, 2, 3]
How can this vulnerability impact me? :
This vulnerability can allow attackers to execute arbitrary JavaScript in the context of other users viewing the affected profile page. This can lead to session hijacking, defacement, or other malicious actions such as stealing sensitive information or performing actions on behalf of the victim user. Since the attack is stored and persistent, it affects all users who access the compromised profile. [2, 3]
How can this vulnerability be detected on my network or system? Can you suggest some commands?
This vulnerability can be detected by testing the /settings/profile endpoint for stored XSS by submitting a crafted payload in the bio parameter. For example, you can use a curl command to POST a payload that includes a script or an image tag with an onerror event to trigger JavaScript execution, such as: curl -X POST https://your-mblog-instance/settings/profile -d 'bio=<img src=1 onerror=alert(/signature-xss/)>'. Monitoring HTTP requests and responses for such payloads or unexpected script execution in user profiles can help detect exploitation attempts. [2]
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigation steps include disabling or restricting access to the /settings/profile endpoint, especially the bio parameter, until a patch or fix is applied. Implement input validation and output encoding to sanitize user inputs in the bio field to prevent script injection. Additionally, consider monitoring and filtering HTTP requests for malicious payloads targeting this endpoint. If possible, update or replace the affected mblog version to a secure release once available. [2, 3]