CVE-2018-20827 : Vulnerability Insights and Analysis

Jira before version 7.13.1 is affected by a cross-site scripting (XSS) vulnerability in the country parameter of the activity stream gadget, allowing remote attackers to inject malicious code.

Understanding CVE-2018-20827

This CVE entry details a security issue in Atlassian's Jira software that could be exploited by attackers to execute XSS attacks.

What is CVE-2018-20827?

The vulnerability in Jira's activity stream gadget allows remote attackers to inject arbitrary HTML or JavaScript code through a cross-site scripting (XSS) flaw in the country parameter.

The Impact of CVE-2018-20827

The XSS vulnerability in Jira could lead to unauthorized access, data theft, and potential manipulation of user interactions on affected systems.

Technical Details of CVE-2018-20827

This section provides more technical insights into the vulnerability.

Vulnerability Description

The country parameter in Jira's activity stream gadget before version 7.13.1 contains a cross-site scripting (XSS) vulnerability that can be exploited by remote attackers to inject arbitrary HTML or JavaScript code.

Affected Systems and Versions

Product: Jira
Vendor: Atlassian
Versions Affected: Less than 7.13.1
Version Type: Custom

Exploitation Mechanism

Attackers can exploit the XSS vulnerability by injecting malicious code through the country parameter in Jira's activity stream gadget.

Mitigation and Prevention

Protecting systems from this vulnerability requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Jira to version 7.13.1 or later to mitigate the XSS vulnerability.
Monitor and restrict user inputs to prevent malicious code injection.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Educate users on safe browsing habits and awareness of social engineering tactics.

Patching and Updates

Ensure timely installation of security patches and updates to address known vulnerabilities in Jira.