// For flags

CVE-2021-3111

Concrete5 8.5.4 - 'name' Stored XSS

Severity Score

4.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

3
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

The Express Entries Dashboard in Concrete5 8.5.4 allows stored XSS via the name field of a new data object at an index.php/dashboard/express/entries/view/ URI.

El Express Entries Dashboard en Concrete versión 5 8.5.4, permite almacenar una vulnerabilidad de tipo XSS por medio del campo name de un nuevo objeto de datos en un URI index.php/dashboard/express/entries/view/

Concrete5 version 8.5.4 suffers from a persistent cross site scripting vulnerability. Original discovery of persistent cross site scripting in this version is attributed to nu11secur1ty in March of 2021.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
Medium
Authentication
Single
Confidentiality
None
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-01-07 CVE Reserved
  • 2021-01-08 CVE Published
  • 2021-03-29 First Exploit
  • 2023-08-29 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Concretecms
Search vendor "Concretecms"
 Concrete Cms
Search vendor "Concretecms" for product "Concrete Cms"
 < 8.5.5
Search vendor "Concretecms" for product "Concrete Cms" and version " < 8.5.5"
-
Affected