CVE-2023-49782 : Vulnerability Insights and Analysis

A detailed overview of the Cross-Site-Scripting vulnerability found in error message passing in richdocumentscode.

Understanding CVE-2023-49782

In this section, we will discuss the nature of CVE-2023-49782 and its impact on systems.

What is CVE-2023-49782?

CVE-2023-49782 is a Cross-Site-Scripting vulnerability in error message passing in richdocumentscode. This vulnerability can allow attackers to inject malicious scripts into web pages viewed by users.

The Impact of CVE-2023-49782

The vulnerability poses a HIGH severity risk with a CVSS v3.1 base score of 7.1. It can result in the compromise of confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2023-49782

In this section, we will delve into the technical details of the vulnerability.

Vulnerability Description

Collabora Online, a collaborative online office suite based on LibreOffice technology, is affected. Users of Nextcloud with the

Collabora Online - Built-in CODE Server

app are susceptible to attack via proxy.php.

Affected Systems and Versions

Vendor: CollaboraOnline Product: online Affected Version: < 23.5.601 Status: Affected

Exploitation Mechanism

The vulnerability allows attackers to execute malicious scripts by manipulating the error message passing in richdocumentscode.

Mitigation and Prevention

In this section, we will discuss the steps to mitigate and prevent exploitation of CVE-2023-49782.

Immediate Steps to Take

Users are strongly advised to upgrade to the fixed version, Collabora Online - Built-in CODE Server (richdocumentscode) release 23.5.601. It is crucial to apply patches promptly.

Long-Term Security Practices

Implementing secure coding practices, conducting regular security audits, and staying informed about security updates are essential for long-term security.

Patching and Updates

Stay vigilant for security advisories from CollaboraOnline and Nextcloud for any future updates and patches.