CVE-2021-28145

Severity Score

5.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Concrete CMS (formerly concrete5) before 8.5.5 allows remote authenticated users to conduct XSS attacks via a crafted survey block. This requires at least Editor privileges.

Concrete CMS (anteriormente concrete5) versiones anteriores a 8.5.5, permite a usuarios autenticados de forma remota llevar a cabo ataques de tipo XSS por medio de un bloque de encuesta diseñado. Esto requiere al menos privilegios Editor

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

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

2021-03-11 CVE Reserved
2021-03-18 CVE Published
2023-03-08 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://documentation.concrete5.org/developers/introduction/version-history/855-release-notes	2021-11-17
https://www.concrete5.org/developers/security	2021-11-17

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