CVE-2023-47797 : Vulnerability Insights and Analysis

A detailed article about the CVE-2023-47797 vulnerability in Liferay Portal version 7.4.3.94 through 7.4.3.95.

Understanding CVE-2023-47797

In this section, we will explore the nature and impact of the reflected cross-site scripting vulnerability in Liferay Portal.

What is CVE-2023-47797?

The CVE-2023-47797 vulnerability is a reflected cross-site scripting (XSS) issue found on a content page's edit page in Liferay Portal versions 7.4.3.94 through 7.4.3.95. This security flaw allows remote attackers to inject arbitrary web script or HTML via the

p_l_back_url_title

parameter.

The Impact of CVE-2023-47797

The impact of this vulnerability is critical, with a CVSSv3.1 base score of 9.6. It poses a high risk as it allows attackers to execute malicious scripts on the target system, compromising its confidentiality, integrity, and availability.

Technical Details of CVE-2023-47797

Let's dive into the technical aspects of the CVE-2023-47797 vulnerability.

Vulnerability Description

The vulnerability arises due to improper neutralization of input during web page generation, specifically related to cross-site scripting (CWE-79). Attackers can exploit this flaw to execute malicious scripts in the context of the user's session.

Affected Systems and Versions

Liferay Portal versions 7.4.3.94 through 7.4.3.95 are affected by this vulnerability. Users operating on these versions are at risk of exploitation unless mitigating steps are taken.

Exploitation Mechanism

Remote attackers can exploit this vulnerability by injecting malicious web scripts or HTML code through the

p_l_back_url_title

parameter, leading to the execution of unauthorized actions on the target system.

Mitigation and Prevention

Learn how to protect your systems from CVE-2023-47797 and prevent potential security breaches.

Immediate Steps to Take

Users are advised to update their Liferay Portal installations to versions that have patched this vulnerability. Implementing input validation and sanitization mechanisms can also help mitigate the risk of XSS attacks.

Long-Term Security Practices

In the long term, organizations should prioritize regular security assessments, secure coding practices, and employee training to prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security updates released by Liferay for their Portal software. Timely patching and software updates are crucial in maintaining a secure environment.