CVE-2023-33287 : Vulnerability Insights and Analysis

A stored cross-site scripting (XSS) vulnerability in the Inline Table Editing application before 3.8.0 for Confluence allows attackers to store and execute arbitrary JavaScript via a crafted payload injected into the tables.

Understanding CVE-2023-33287

This CVE identifies a stored cross-site scripting vulnerability in the Inline Table Editing application, potentially enabling malicious actors to execute arbitrary JavaScript.

What is CVE-2023-33287?

The CVE-2023-33287 is a security vulnerability found in the Inline Table Editing application that allows attackers to store and run malicious JavaScript code through specially crafted payloads inserted into tables.

The Impact of CVE-2023-33287

The impact of this vulnerability is severe as it can be exploited by threat actors to perform cross-site scripting attacks, leading to unauthorized access, data theft, and potentially full control over the Confluence application.

Technical Details of CVE-2023-33287

This section delves into the specifics of the CVE, outlining the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The stored cross-site scripting vulnerability in the Inline Table Editing application allows attackers to execute arbitrary JavaScript by injecting malicious payloads into tables within the Confluence application.

Affected Systems and Versions

The vulnerability affects versions of the Inline Table Editing application prior to 3.8.0 for Confluence. All instances running versions before this are susceptible to exploitation.

Exploitation Mechanism

Attackers can exploit this vulnerability by inserting specially crafted payloads containing JavaScript code into tables within the Inline Table Editing application. When unsuspecting users interact with these tables, the malicious code gets executed, enabling various attacks.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-33287, immediate action is essential to safeguard systems and data integrity.

Immediate Steps to Take

Update Inline Table Editing application to version 3.8.0 or higher to patch the vulnerability.
Regularly monitor and audit tables within Confluence for any suspicious payloads.

Long-Term Security Practices

Implement content security policies to restrict the execution of scripts from unauthorized sources.
Educate users on safe table editing practices and the dangers of executing untrusted code.

Patching and Updates

Stay informed about security updates and patches released by the application vendor to address known vulnerabilities promptly.