CVE-2018-5227 : Vulnerability Insights and Analysis

Atlassian Application Links before version 5.4.4 had a vulnerability to cross-site scripting (XSS) that could allow remote attackers with administration rights to inject malicious code into the display URL of a configured application link.

Understanding CVE-2018-5227

This CVE entry details a security issue in Atlassian Application Links that could be exploited by attackers to execute XSS attacks.

What is CVE-2018-5227?

Atlassian Application Links, prior to version 5.4.4, contained a vulnerability that enabled attackers with admin privileges to insert HTML or JavaScript code into the display URL of an application link, potentially leading to XSS attacks.

The Impact of CVE-2018-5227

The vulnerability in Atlassian Application Links could be exploited by malicious actors with admin rights to compromise the integrity and security of the affected systems, potentially leading to unauthorized data access or manipulation.

Technical Details of CVE-2018-5227

This section provides more in-depth technical insights into the CVE-2018-5227 vulnerability.

Vulnerability Description

Before version 5.4.4, Atlassian Application Links had multiple administrative application link resources susceptible to XSS attacks, allowing attackers to inject arbitrary HTML or JavaScript code into the display URL.

Affected Systems and Versions

Product: Atlassian Application Links
Vendor: Atlassian
Versions Affected: < 5.4.4 (unspecified version type: custom)

Exploitation Mechanism

The vulnerability in Atlassian Application Links could be exploited by remote attackers with admin privileges to inject malicious code into the display URL of a configured application link, potentially leading to XSS attacks.

Mitigation and Prevention

Protecting systems from CVE-2018-5227 requires immediate actions and long-term security practices.

Immediate Steps to Take

Upgrade Atlassian Application Links to version 5.4.4 or higher to mitigate the XSS vulnerability.
Monitor and restrict admin privileges to minimize the risk of unauthorized code injection.

Long-Term Security Practices

Regularly review and update security configurations to prevent XSS vulnerabilities.
Educate users on safe coding practices and the risks associated with XSS attacks.

Patching and Updates

Apply security patches and updates provided by Atlassian to address the vulnerability and enhance system security.