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Concrete5 8.5.4 - 'name' Stored XSS
🗓️ 29 Mar 2021 00:00:00Reported by Quadron Research LabType 
exploitdb🔗 www.exploit-db.com👁 292 Views
| Reporter | Title | Published | Views | Family All 14 |
|---|---|---|---|---|
 | Concrete5 8.5.4 Cross Site Scripting Vulnerability | 2 Mar 202100:00 | – | zdt |
 | CVE-2021-3111 | 8 Jan 202118:41 | – | circl |
 | Portlandlabs Concrete5 跨站脚本漏洞 | 8 Jan 202100:00 | – | cnnvd |
 | Concrete5 Cross-Site Scripting Vulnerability (CNVD-2021-03001) | 12 Jan 202100:00 | – | cnvd |
 | CVE-2021-3111 | 8 Jan 202114:18 | – | cve |
 | CVE-2021-3111 | 8 Jan 202114:18 | – | cvelist |
 | EUVD-2021-26463 | 7 Oct 202500:30 | – | euvd |
 | CVE-2021-3111 | 8 Jan 202115:15 | – | nvd |
 | Concrete CMS < 8.5.5 Multiple Vulnerabilities | 29 Mar 202100:00 | – | openvas |
 | CVE-2021-3111 | 8 Jan 202115:15 | – | osv |
10
# Exploit Title: Concrete5 8.5.4 - 'name' Stored XSS
# Date: 2021-01
# Exploit Author: Quadron Research Lab
# Version: Concrete5 8.5.4
# Tested on: Windows 10 x64 HUN/ENG Professional
# Vendor: Concrete5 CMS (https://www.concrete5.org)
# CVE: CVE-2021-3111
[Suggested description]
The Express Entries Dashboard inConcrete5 8.5.4 allows stored XSS via the name field of a new data object at anindex.php/dashboard/express/entries/view/ URI.
[Attack Vectors]
Creating a new data object, the name field is not filtered. It is possible to place JavaScript code. [Stored XSS]
Proof of Concept
https://github.com/Quadron-Research-Lab/CVE/blob/main/CVE-2021-3111.pdfData
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29 Mar 2021 00:00Current
5.6Medium risk
Vulners AI Score5.6
CVSS 23.5
CVSS 3.14.8
EPSS0.00606