CVE-2020-21929

Severity Score

5.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A stored cross site scripting (XSS) vulnerability in the web_copyright field of Eyoucms v1.4.1 allows authenticated attackers to execute arbitrary web scripts or HTML.

Una vulnerabilidad de tipo cross site scripting (XSS) almacenado en el campo web_copyright de Eyoucms versión v1.4.1, permite a atacantes autenticados ejecutar scripts web o HTML arbitrario

*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

2020-08-13 CVE Reserved
2021-08-10 CVE Published
2023-03-08 EPSS Updated
2024-08-04 CVE Updated
2024-08-04 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

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

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://github.com/eyoucms/eyoucms/issues/8	2024-08-04

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Eyoucms Search vendor "Eyoucms"		Eyoucms Search vendor "Eyoucms" for product "Eyoucms"				1.4.1 Search vendor "Eyoucms" for product "Eyoucms" and version "1.4.1"		-		Affected