CVE-2020-18657

Severity Score

6.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Cross Site Scripting (XSS) vulnerability in GetSimpleCMS <= 3.3.15 in admin/changedata.php via the redirect_url parameter and the headers_sent function.

Una vulnerabilidad de tipo Cross Site Scripting (XSS) en GetSimpleCMS versiones anteriores a 3.3.15 incluyéndola, en el archivo admin/changedata.php por medio del parámetro redirect_url y la función headers_sent

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

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
2021-06-23 CVE Published
2024-03-08 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 (3)

URL	Tag	Source
https://github.com/LoRexxar/CVE_Request/blob/master/getsimplecms%20v3.3.15/getsimplecms_before_v3.3.15.md	Release Notes
https://www.seebug.org/vuldb/ssvid-97929	Third Party Advisory

URL	Date	SRC
https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1310	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
Get-simple Search vendor "Get-simple"		Getsimplecms Search vendor "Get-simple" for product "Getsimplecms"				<= 3.3.15 Search vendor "Get-simple" for product "Getsimplecms" and version " <= 3.3.15"		-		Affected