CVE-2022-4455 : What You Need to Know

A vulnerability was found in sproctor php-calendar that allows for cross-site scripting via manipulation of the argument $_SERVER['PHP_SELF']. Attackers can exploit this remotely.

Understanding CVE-2022-4455

This CVE involves a cross-site scripting vulnerability in sproctor php-calendar that can be exploited remotely.

What is CVE-2022-4455?

The vulnerability in sproctor php-calendar allows attackers to perform cross-site scripting by manipulating the argument $_SERVER['PHP_SELF'], enabling remote exploitation.

The Impact of CVE-2022-4455

This vulnerability could lead to unauthorized access to sensitive information or the execution of malicious scripts on affected systems.

Technical Details of CVE-2022-4455

This section covers the specifics of the CVE, including the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in sproctor php-calendar occurs due to improper neutralization, resulting in cross-site scripting (CWE-707 -> CWE-74 Injection -> CWE-79 Cross Site Scripting).

Affected Systems and Versions

The affected system is sproctor php-calendar with all versions being impacted.

Exploitation Mechanism

By manipulating the argument $_SERVER['PHP_SELF'], attackers can execute cross-site scripting attacks remotely.

Mitigation and Prevention

To address CVE-2022-4455, it is essential to take immediate steps and implement long-term security practices.

Immediate Steps to Take

Apply the provided patch (a2941109b42201c19733127ced763e270a357809) to mitigate the vulnerability in sproctor php-calendar.

Long-Term Security Practices

Regularly update software, use input validation mechanisms, and monitor for unusual activities that may indicate an attack.

Patching and Updates

Stay informed about security updates and patches released by the software vendor to protect systems from potential vulnerabilities.