CVE-2023-42497 : Vulnerability Insights and Analysis

A reflected cross-site scripting (XSS) vulnerability has been identified in Liferay Portal 7.4.3.4 through 7.4.3.85, and Liferay DXP 7.4 before update 86. This vulnerability could allow remote attackers to inject arbitrary web script or HTML via a specific parameter, posing a critical threat to affected systems.

Understanding CVE-2023-42497

This section delves into the impact, technical details, and mitigation strategies related to CVE-2023-42497.

What is CVE-2023-42497?

The CVE-2023-42497 vulnerability pertains to a reflected cross-site scripting (XSS) issue present in Liferay Portal versions 7.4.3.4 to 7.4.3.85 and Liferay DXP 7.4 prior to update 86. Exploitation of this vulnerability could enable malicious actors to inject malicious scripts or HTML into web pages, compromising the integrity and security of affected systems.

The Impact of CVE-2023-42497

With a CVSS base score of 9.6, CVE-2023-42497 is classified as critical. The vulnerability poses a high risk of confidentiality, integrity, and availability impacts, making it crucial for organizations using the affected versions to promptly address this security flaw to prevent potential exploitation by threat actors.

Technical Details of CVE-2023-42497

Gain insights into the vulnerability description, affected systems and versions, and the exploitation mechanism of CVE-2023-42497.

Vulnerability Description

The vulnerability allows remote attackers to insert arbitrary web script or HTML through a specific parameter, potentially leading to unauthorized script execution on the client-side and exposing sensitive data to malicious actors.

Affected Systems and Versions

Liferay Portal versions 7.4.3.4 through 7.4.3.85 and Liferay DXP 7.4 before update 86 are affected by CVE-2023-42497. Users of these versions are at risk of exploitation if the necessary security patches are not applied.

Exploitation Mechanism

Exploiting this vulnerability involves manipulating the

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parameter to inject malicious scripts or HTML content, potentially leading to cross-site scripting attacks.

Mitigation and Prevention

Discover the immediate steps to take, long-term security practices, and the importance of applying patches and updates to safeguard against CVE-2023-42497.

Immediate Steps to Take

Organizations are advised to implement filters to sanitize user input, validate and encode output data, and restrict access to sensitive functionality. Additionally, installing security updates and patches provided by Liferay is imperative to mitigate the risk associated with CVE-2023-42497.

Long-Term Security Practices

In the long term, organizations should prioritize regular security assessments, conduct code reviews, educate developers on secure coding practices, and stay informed about emerging threats and vulnerabilities to enhance their overall cybersecurity posture.

Patching and Updates

Liferay has released updates and patches to address the CVE-2023-42497 vulnerability. Users are strongly encouraged to apply these patches promptly to remediate the security issue and protect their systems from potential exploitation.