CVE-2025-9431
BaseFortify
Publication date: 2025-08-26
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-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. |
| 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
How can this vulnerability be detected on my network or system? Can you suggest some commands?
This vulnerability can be detected by testing the /search endpoint of the mtons mblog application for reflected Cross-Site Scripting (XSS) via the 'kw' parameter. A common method is to send a crafted HTTP request with a script or HTML injection payload in the 'kw' parameter and observe if it is reflected unsanitized in the response. For example, you can use curl or a browser to test the following URL pattern: http://<target-host>/search?kw=1"><img src=1 onerror=alert(/search/)> Using curl, a command to test might be: curl -i "http://<target-host>/search?kw=1%22%3E%3Cimg%20src=1%20onerror=alert(/search/)%3E" If the response contains the injected script without encoding or sanitization, the vulnerability is present. Additionally, web vulnerability scanners that test for reflected XSS can be used to automate detection. [3]
Can you explain this vulnerability to me?
CVE-2025-9431 is a reflected Cross-Site Scripting (XSS) vulnerability in the mtons mblog application up to version 3.5.0. It occurs in the /search endpoint where the user-controlled parameter "kw" is not validated or sanitized. This allows attackers to inject malicious scripts that are reflected back and executed in the victim's browser when they access the search page with a crafted URL. Essentially, the application fails to properly neutralize or encode user input, enabling remote attackers to execute arbitrary JavaScript code in users' browsers. [1, 3]
How can this vulnerability impact me? :
This vulnerability can impact you by allowing remote attackers to inject and execute malicious scripts in the browsers of users who visit the affected search page. This can lead to unauthorized actions such as stealing session cookies, redirecting users to malicious sites, or performing actions on behalf of the user without their consent. The attack requires no authentication but depends on user interaction. It compromises the integrity of data displayed and can be exploited easily due to the availability of proof-of-concept exploits. [2, 3]
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigation steps include avoiding use of the vulnerable mblog versions (up to 3.5.0) or replacing the affected component. Since no known countermeasures or patches currently exist, it is recommended to restrict access to the /search endpoint, implement input validation and output encoding for the 'kw' parameter if possible, and monitor for exploitation attempts. Additionally, educating users to avoid clicking suspicious links and applying web application firewalls (WAF) rules to detect and block reflected XSS payloads can help reduce risk until a fix is available. [2]