Cross-site scripting in Wekan

Published: 2021-02-10

Risk	Low
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2021-20654
CWE-ID	CWE-79
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Wekan Web applications / Modules and components for CMS
Vendor	wekan.github.io

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Cross-site scripting

EUVDB-ID: #VU50566

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2021-20654

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

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote authenticated attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Wekan: 3.12 - 4.11

CPE2.3

cpe:2.3:a:wekan.github.io:wekan:3.12:*:*:*:*:*:*:*

External links

http://jvn.jp/en/jp/JVN80785288/index.html

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?