CVE-2017-16636 Explained : Impact and Mitigation

Bludit versions 1.5.2 and 2.0.1 are affected by an XSS vulnerability that allows remote attackers to execute cross-site scripting attacks.

Understanding CVE-2017-16636

This CVE describes a persistent XSS vulnerability in Bludit versions 1.5.2 and 2.0.1, enabling attackers to bypass basic editor validation.

What is CVE-2017-16636?

An XSS vulnerability in Bludit versions 1.5.2 and 2.0.1
Allows remote attackers to trigger cross-site scripting attacks
Exploitable via the new page, new category, and edit post functions

The Impact of CVE-2017-16636

Enables attackers to bypass basic editor validation
Allows injection of malicious script code
Permits persistent attacks against web application user accounts

Technical Details of CVE-2017-16636

Bludit versions 1.5.2 and 2.0.1 are susceptible to a persistent XSS vulnerability.

Vulnerability Description

Located in the body message context of new page, new category, and edit post functions
Attackers can inject code using an editor tag not recognized by basic validation

Affected Systems and Versions

Bludit versions 1.5.2 and 2.0.1

Exploitation Mechanism

Attack initiated via the GET method when injecting through the editor
Requires a subsequent POST method request to save the editor context

Mitigation and Prevention

Immediate action and long-term security practices are crucial to mitigate the risk of CVE-2017-16636.

Immediate Steps to Take

Update Bludit to a patched version
Implement input validation to prevent XSS attacks

Long-Term Security Practices

Regularly monitor and audit web application code
Educate users on safe coding practices

Patching and Updates

Apply security patches provided by Bludit