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Anote 1.0 XSS to RCE

CVE Category Price Severity
CVE-2021-28667 CWE-79 N/A High
Author Risk Exploitation Type Date
N/A High Remote 2021-05-05
Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2021050017

Below is a copy:

Anote 1.0 XSS to RCE
# Exploit Title: Anote 1.0 - XSS to RCE
# Exploit Author: TaurusOmar
# Date: 04/05/2021
# CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
# Risk: High (8.8)
# Vendor Homepage: https://github.com/AnotherNote/anote
# Version: 1.0
# Tested on: Linux, MacOs

# Software Description:
A simple opensource note app support markdown only, anote allows you to view and edit files markdown has a friendly interface for paste image paste html (includes retrieve image locally) export sale file with images
export PDF support tray menu quick note (evernote inspired)
cmd + v default will convert html.



# Vulnerability Description:
The software allows you to store payloads within its own editor, as well as upload (.md) files once malicious code is entered, the payload will be executed immediately.
The attacker can send a malicious file with the payload, when this file is opened, the chain will be executed successfully giving access to
the remote attacker to get remote execution on the computer.


#Proof Video
https://imgur.com/a/mFMDOuu




# Payload : exec(Attacker Reverse netcat stolen => /etc/passwd) && exec(calc)

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{"$$indexCreated":{"fieldName":"updatedAt","unique":false,"sparse":false}}
{"$$indexCreated":{"fieldName":"bookId","unique":false,"sparse":false}}

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