WordPress Plugin CodeArt Google MP3 Player Arbitrary File Download Scanner

The WordPress Plugin CodeArt Google MP3 Player is utilized by web administrators and designers to embed audio content directly onto WordPress websites. Its primary purpose is to enhance user experience by providing an easy way to play audio files directly from the site. It is particularly popular among bloggers, content creators, and musicians who wish to add a multimedia element to their site without complicated setup processes. The plugin is widely used due to its simplicity and the ease with which it integrates into WordPress sites. Furthermore, it supports customization options, allowing users to tailor the audio player's appearance to their site’s theme. This flexibility makes it a go-to choice for many WordPress users looking to add audio functionality to their sites.

The vulnerability detected in the WordPress Plugin CodeArt Google MP3 Player allows an attacker to download arbitrary files from the server without authentication. This kind of vulnerability is highly critical as it can expose sensitive configurations or database credentials stored on the server. An unauthenticated attacker can craft a request to exploit this vulnerability, potentially gaining access to confidential information. This could lead to unauthorized access to the system’s backend or manipulation of the website's content. The vulnerability affects the security of the sites using this plugin and may also pose a risk to other plugins and themes integrated with these sites. Effective detection and response could prevent unauthorized data access and safeguard against malicious activities.

The technical details of this vulnerability involve an improper filter or sanitization of input parameters, allowing attackers to access critical files on the server. A specific endpoint, 'direct_download.php', within the plugin fails to restrict or validate file paths correctly, leading to arbitrary file downloads. By manipulating the file parameter with traversal characters like '../../', attackers can escalate their access to sensitive files such as 'wp-config.php'. This improper input handling opens possibilities for attackers to retrieve database credentials and other security configurations. Additionally, the response generated by the server verifies the presence of vulnerable files through specific keywords in the response body and headers, thereby confirming the vulnerability. Effective mitigation requires reviewing input handling on all endpoints.

When exploited, this vulnerability can result in severe consequences, including unauthorized acquisition of sensitive data, which can be used for further exploitation. Attackers gaining access to the 'wp-config.php' file can use the database credentials to extract or alter information stored within the database maliciously. Additionally, the breach may allow the attacker to introduce backdoors or other harmful scripts onto the server, leading to further compromises. Targeted attacks exploiting this vulnerability can disrupt services, deface websites, and exploit user data, leading to brand damage and potential legal implications. Comprehensive remediation measures must be taken to prevent exploitation and ensure the site's security and integrity.

REFERENCES

• https://www.exploit-db.com/exploits/35460
• https://wordpress.org/plugins/google-mp3-audio-player/