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Cross Site Script Vulnerability on "Configure Attributes" feature in phplist version 3.5.3 #664

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r0ck3t1973 opened this issue May 25, 2020 · 1 comment

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@r0ck3t1973
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Describe the bug
An authenticated malicious user can take advantage of a Stored XSS vulnerability in the "configure attributes" feature.

To Reproduce
Steps to reproduce the behavior:

  1. Login into the panel phplist
  2. Go to 'phplist3/lists/admin/?page=attributes&tk=20a8f65277024ee830090611cb93e35d'
  3. Click 'Edit Values' -> 'Add new'
  4. Insert Payload XSS:
    '><details/open/ontoggle=confirm(1337)>
  5. Add new Woonplaats
  6. xss alert message

Expected behavior
The removal of script tags is not sufficient to prevent an XSS attack. You must HTML Entity encode any output that is reflected back to the page

Screenhost

  1. login
    login
  2. Add new
    Addnew
  3. Insert payload xss
    insert_payload
  4. xss alert message
    xss_mess

Desktop (please complete the following information):
OS: Windows
Browser: All
Version

I Hope you fix it ASAP

@michield
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fixed in e222600

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