CVE-2017-18100 : What You Need to Know

A security vulnerability known as cross-site scripting (XSS) was identified in the agile wallboard gadget of Atlassian Jira before version 7.8.1, allowing remote attackers to inject malicious HTML or JavaScript code through quick filter names.

Understanding CVE-2017-18100

This CVE involves a cross-site scripting vulnerability in Atlassian Jira's agile wallboard gadget.

What is CVE-2017-18100?

The CVE-2017-18100 vulnerability in Atlassian Jira allows remote attackers to execute arbitrary HTML or JavaScript by exploiting a cross-site scripting flaw in quick filter names.

The Impact of CVE-2017-18100

The vulnerability could be exploited by malicious actors to inject harmful code, potentially leading to unauthorized data access or manipulation within affected systems.

Technical Details of CVE-2017-18100

This section provides technical insights into the CVE-2017-18100 vulnerability.

Vulnerability Description

The agile wallboard gadget in Atlassian Jira prior to version 7.8.1 is susceptible to a cross-site scripting (XSS) flaw, enabling attackers to insert malicious code via quick filter names.

Affected Systems and Versions

Product: Atlassian Jira
Versions Affected: Before 7.8.1

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting specially designed quick filter names containing malicious HTML or JavaScript code.

Mitigation and Prevention

Protecting systems from CVE-2017-18100 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Atlassian Jira to version 7.8.1 or newer to mitigate the vulnerability.
Implement input validation mechanisms to sanitize user inputs and prevent XSS attacks.

Long-Term Security Practices

Regularly monitor and audit applications for security vulnerabilities.
Educate users and developers on secure coding practices to prevent XSS vulnerabilities.

Patching and Updates

Apply security patches and updates provided by Atlassian promptly to address known vulnerabilities.