CVE-2021-26636

Maxboard Remote Code Execution

Severity Score

9.6

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Stored XSS and SQL injection vulnerability in MaxBoard could lead to occur Remote Code Execution, which could lead to information exposure and privilege escalation.

Una vulnerabilidad de inyección XSS y SQL almacenado en MaxBoard podría conducir a una ejecución de código remota, lo que podría conllevar a una exposición de información y a una escalada de privilegios

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-02-03 CVE Reserved
2022-06-22 CVE Published
2024-08-03 CVE Updated
2025-01-26 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

CAPEC

References (1)

URL	Tag	Source
https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66781	Third Party Advisory

URL	Date	SRC

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
Maxb Search vendor "Maxb"	Maxboard Search vendor "Maxb" for product "Maxboard"	< 1.9.6.1 Search vendor "Maxb" for product "Maxboard" and version " < 1.9.6.1"	-	Affected	in	Linux Search vendor "Linux"	Linux Kernel Search vendor "Linux" for product "Linux Kernel"	-	-	Safe