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MyBB Export User 2.0 Cross Site Scripting
| Reporter | Title | Published | Views | Family All 11 |
|---|---|---|---|---|
 | CVE-2023-27890 | 14 Apr 202301:15 | – | attackerkb |
 | CVE-2023-27890 | 14 Apr 202307:30 | – | circl |
 | MyBB 跨站脚本漏洞 | 14 Apr 202300:00 | – | cnnvd |
 | CVE-2023-27890 | 14 Apr 202300:00 | – | cve |
 | CVE-2023-27890 | 14 Apr 202300:00 | – | cvelist |
 | CVE-2023-27890 | 14 Apr 202301:15 | – | nvd |
 | CVE-2023-27890 | 14 Apr 202301:15 | – | osv |
 | Cross site scripting | 14 Apr 202301:15 | – | prion |
 | PT-2023-21397 · Mybb · Export User Plugin | 14 Apr 202300:00 | – | ptsecurity |
 | CVE-2023-27890 | 23 May 202502:27 | – | redhatcve |
10
`# Exploit Title: MyBB Export User Plugin 2.0 – Cross-Site Scripting
# Date: January 29, 2021
# Author: 0xB9
# Twitter: @0xB9sec
# Software Link: https://community.mybb.com/mods.php?action=view&pid=1408
# Version: 2.0
# Tested On: Windows 10
# CVE: CVE-2023-27890
Description:
This plugin allows users to request their data to export. XSS occurs when admin is generating data for user.
Proof of Concept:
– As a regular user go to User CP -> Edit Profile
– Add a payload in Custom User Title, Location, or Bio <script>alert(1)</script>
– Request your data via User CP -> DSGVO data request
– Login as admin you will be notified a user wants their data
– When generating the users data their payload will execute
`
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22 Mar 2023 00:00Current
5.8Medium risk
Vulners AI Score5.8
EPSS0.00385