CVE-2021-25104 : Exploit Details and Defense Strategies

Ocean Extra WordPress plugin before version 1.9.5 is vulnerable to Reflected Cross-Site Scripting due to unescaped generated links. This can be exploited when OceanWP is active. Here's what you need to know about CVE-2021-25104.

Understanding CVE-2021-25104

This section will provide insights into the nature and impact of the CVE-2021-25104 vulnerability.

What is CVE-2021-25104?

The Ocean Extra WordPress plugin version < 1.9.5 is susceptible to Reflected Cross-Site Scripting as it fails to escape generated links, allowing for potential attacks when the OceanWP theme is in use.

The Impact of CVE-2021-25104

The presence of this vulnerability could enable malicious actors to execute arbitrary scripts in the context of a user's web session, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2021-25104

In this section, we will delve into the specifics of the vulnerability, including affected systems, exploitation methods, and more.

Vulnerability Description

The vulnerability arises from the plugin's failure to properly sanitize generated links, creating an opportunity for attackers to inject malicious scripts that get executed in a victim's browser.

Affected Systems and Versions

Ocean Extra plugin versions less than 1.9.5 are impacted by this vulnerability, particularly when used alongside the OceanWP theme.

Exploitation Mechanism

Exploiting this flaw involves crafting a malicious link that, when clicked by a user with the affected plugin and theme combination, triggers the execution of unauthorized scripts.

Mitigation and Prevention

This section highlights the steps users and administrators can take to mitigate the risks associated with CVE-2021-25104.

Immediate Steps to Take

Users are advised to update the Ocean Extra plugin to version 1.9.5 or above to patch the vulnerability and prevent exploitation by malicious actors.

Long-Term Security Practices

Implementing secure coding practices, regular security audits, and staying informed about plugin updates can help prevent similar vulnerabilities in the future.

Patching and Updates

Frequent monitoring of security advisories and promptly applying patches provided by plugin developers are crucial to maintaining a secure WordPress environment.