# Session fixation

## Session fixation

{% hint style="info" %}
**Steps to reproduce**

1. Open example.com/login.
2. Open browser devtools.
3. Get value for `SESSION` cookie.
4. Open example.com/login in the incognito tab.
5. In the incognito tab, change cookie value to the one, obtained in step 3.
6. In the normal tab (the one from steps 1-3) log in as any user.
7. Refresh page in the incognito tab.

**Result**

You are now logged in the incognito tab as user from step 6 as well.
{% endhint %}


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://wiki.hackerium.io/web-attack/web-attacks-library/session-fixation.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.