CVE-2023-22425 : What You Need to Know

This CVE record was published by JPCERT on February 24, 2023. It identifies a stored cross-site scripting vulnerability in the Schedule function of SHIRASAGI v1.16.2 and earlier versions, which allows a remote authenticated attacker to inject arbitrary scripts.

Understanding CVE-2023-22425

This section delves deeper into the nature of CVE-2023-22425, exploring its impact and technical details.

What is CVE-2023-22425?

CVE-2023-22425 is a stored cross-site scripting vulnerability that resides in the Schedule function of SHIRASAGI v1.16.2 and prior versions. This flaw enables a remote attacker who is authenticated to inject and execute malicious scripts on the targeted system.

The Impact of CVE-2023-22425

The impact of this vulnerability is significant as it allows attackers to inject malicious scripts into the affected system. This can lead to various attacks such as data theft, unauthorized access, and phishing attempts, compromising the confidentiality and integrity of the system and its data.

Technical Details of CVE-2023-22425

To effectively address CVE-2023-22425, it's crucial to understand the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The stored cross-site scripting vulnerability in SHIRASAGI v1.16.2 and earlier versions allows attackers to insert malicious scripts into the Schedule function, which can be executed when accessed by other users. This can result in the unauthorized manipulation of content or stealing of sensitive information.

Affected Systems and Versions

SHIRASAGI v1.16.2 and earlier versions are affected by this vulnerability. Users of these versions are at risk of exploitation, especially if the Schedule function is utilized with remote authenticated access.

Exploitation Mechanism

Attackers with remote authenticated access can exploit this vulnerability by injecting malicious scripts into the Schedule function. These scripts are then executed when the compromised area is accessed, enabling the attacker to achieve their malicious objectives.

Mitigation and Prevention

Understanding the steps to mitigate and prevent CVE-2023-22425 is crucial to ensure the security of systems and data.

Immediate Steps to Take

Immediate actions include updating SHIRASAGI to a patched version that addresses the stored cross-site scripting vulnerability. Additionally, closely monitor system logs for any suspicious activities that may indicate exploitation of the vulnerability.

Long-Term Security Practices

Implementing robust security measures, such as input validation and output encoding, can help prevent cross-site scripting attacks in the long term. Educating users on safe web practices and security awareness can also mitigate the risks associated with such vulnerabilities.

Patching and Updates

Regularly applying security patches and updates provided by the SHIRASAGI project is essential to address known vulnerabilities and enhance the overall security posture of the system. Stay informed about security advisories and follow best practices for securely configuring and maintaining SHIRASAGI installations.