CVE-2021-23174 : Exploit Details and Defense Strategies

WordPress Download Monitor plugin version <= 4.4.6 has been identified with an Authenticated Stored Cross-Site Scripting (XSS) vulnerability.

Understanding CVE-2021-23174

This CVE involves an Authenticated Persistent Cross-Site Scripting (XSS) vulnerability in the Download Monitor WordPress plugin versions <= 4.4.6.

What is CVE-2021-23174?

The CVE-2021-23174 relates to an Authenticated Persistent Cross-Site Scripting (XSS) vulnerability found in the Download Monitor WordPress plugin versions less than or equal to 4.4.6. This vulnerability specifically affects the parameters &post_title and &downloadable_file_version[0].

The Impact of CVE-2021-23174

The impact of this CVE is classified under CAPEC-592 Stored XSS, which has a base severity score of 3.4 classified as low severity.

Technical Details of CVE-2021-23174

Vulnerability Description

The vulnerability allows attackers to execute malicious scripts in the context of an authenticated user, potentially leading to unauthorized actions.

Affected Systems and Versions

The vulnerability affects Download Monitor WordPress plugin versions less than or equal to 4.4.6.

Exploitation Mechanism

Attackers need admin-level access to exploit this vulnerability, making it crucial to address privileged user permissions.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-23174, immediate steps should be taken.

Immediate Steps to Take

Users are advised to update their plugin to version 4.4.7 or higher to eliminate the vulnerability.

Long-Term Security Practices

Regularly monitor plugin updates and security advisories to stay informed about vulnerabilities and patches.

Patching and Updates

Always apply the latest security patches and updates to ensure that your systems are protected from known vulnerabilities.