CVE-2020-36307 : Vulnerability Insights and Analysis

Redmine before 4.0.7 and 4.1.x before 4.1.1 has stored XSS via textile inline links.

Understanding CVE-2020-36307

Redmine versions prior to 4.0.7 and 4.1.x before 4.1.1 are vulnerable to stored XSS attacks through textile inline links.

What is CVE-2020-36307?

This CVE refers to a security vulnerability in Redmine that allows attackers to execute malicious scripts via crafted textile inline links.

The Impact of CVE-2020-36307

The vulnerability can be exploited by attackers to inject and execute arbitrary code within the context of the affected Redmine application, potentially leading to unauthorized actions.

Technical Details of CVE-2020-36307

Redmine's vulnerability to stored XSS attacks through textile inline links has the following technical details:

Vulnerability Description

Redmine versions before 4.0.7 and 4.1.x before 4.1.1 are susceptible to stored XSS attacks.

Affected Systems and Versions

Redmine versions prior to 4.0.7 and 4.1.x before 4.1.1 are impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious textile inline links to execute arbitrary scripts.

Mitigation and Prevention

To address CVE-2020-36307, consider the following mitigation strategies:

Immediate Steps to Take

Update Redmine to version 4.0.7 or 4.1.1, which contain fixes for the XSS vulnerability.
Regularly monitor and review user-generated content for suspicious links or scripts.

Long-Term Security Practices

Educate users on safe content creation practices to prevent the introduction of malicious links.
Implement content security policies to restrict the execution of unauthorized scripts.

Patching and Updates

Stay informed about security advisories and promptly apply patches released by Redmine to address known vulnerabilities.