CVE-2020-29444 : Exploit Details and Defense Strategies

Team Calendar in Confluence Server before 7.11.0 is vulnerable to Cross Site Scripting, allowing attackers to inject arbitrary HTML or Javascript.

Understanding CVE-2020-29444

Affected versions of Team Calendar in Confluence Server before 7.11.0 have a Cross Site Scripting vulnerability that can be exploited by attackers.

What is CVE-2020-29444?

This CVE refers to a security issue in Confluence Server's Team Calendar that enables attackers to insert malicious HTML or Javascript code through a Cross Site Scripting vulnerability in admin global setting parameters.

The Impact of CVE-2020-29444

The vulnerability allows malicious actors to execute arbitrary code within the context of the affected application, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2020-29444

Team Calendar in Confluence Server before version 7.11.0 is susceptible to Cross Site Scripting attacks.

Vulnerability Description

The vulnerability in Team Calendar allows attackers to inject and execute malicious HTML or Javascript code.

Affected Systems and Versions

Product: Confluence Server
Vendor: Atlassian
Versions Affected: Custom versions before 7.11.0

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious code through the admin global setting parameters in Team Calendar.

Mitigation and Prevention

Steps to address and prevent the CVE-2020-29444 vulnerability.

Immediate Steps to Take

Update Confluence Server to version 7.11.0 or later to mitigate the vulnerability.
Monitor and restrict user input to prevent malicious code injection.

Long-Term Security Practices

Regularly update and patch software to address known security issues.
Educate users on safe browsing practices and the risks of executing untrusted code.

Patching and Updates

Apply security patches provided by Atlassian promptly to protect against known vulnerabilities.