CVE-2020-15276

Cross Site Scripting in baserCMS

Severity Score

8.7

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

baserCMS before version 4.4.1 is vulnerable to Cross-Site Scripting. Arbitrary JavaScript may be executed by entering a crafted nickname in blog comments. The issue affects the blog comment component. It is fixed in version 4.4.1.

baserCMS anterior a la versión 4.4.1, es vulnerable a un ataque de tipo Cross-Site Scripting. Un JavaScript arbitrario puede ser ejecutado ingresando un alias diseñado en los comentarios del blog. El problema afecta al componente blog comment. Esto es corregido en la versión 4.4.1

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

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

2020-06-25 CVE Reserved
2020-10-30 CVE Published
2023-03-08 EPSS Updated
2024-08-04 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 (3)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://github.com/baserproject/basercms/commit/d14f506385f21d67d5ff3462f204d4c2321b7c54	2020-11-03
https://github.com/baserproject/basercms/security/advisories/GHSA-fw5q-j9p4-3vxg	2020-11-03

URL	Date	SRC
https://basercms.net/security/20201029	2020-11-03

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Basercms Search vendor "Basercms"		Basercms Search vendor "Basercms" for product "Basercms"				>= 4.0.0 < 4.4.1 Search vendor "Basercms" for product "Basercms" and version " >= 4.0.0 < 4.4.1"		-		Affected