Vulnerability identifier: #VU52045

Vulnerability risk: Low

CVSSv3.1:

CVE-ID: CVE-2020-36307

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Redmine
Web applications / CRM systems

Vendor: Ruby

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 in the textile inline links. A remote attacker can permanently inject 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 update from vendor's website.

Vulnerable software versions

Redmine: 4.0.0 - 4.1.0

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CPE

• cpe:2.3:a:ruby:redmine:4.0.0:*:*:*:*:*:*:*

External links
http://www.redmine.org/projects/redmine/wiki/Security_Advisories

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?