WordPress Plugin Email Subscribers Listing Scanner

The WordPress Plugin Email Subscribers is widely used by website administrators to manage email marketing and communication with subscribers. Typically used by bloggers, e-commerce, and corporate websites, this plugin simplifies sending newsletters, managing contacts, and tracking campaign performance. Its ease of use makes it a popular choice for non-technical users aiming to build and maintain a subscriber base. However, as a WordPress plugin, it requires regular updates and security checks to prevent vulnerabilities. Frequently, such plugins are targeted due to their widespread use and the sensitive data they manage. Plugin developers and site administrators play crucial roles in safeguarding against potential exploits.

Directory listing vulnerabilities occur when server misconfigurations allow unauthorized users to list files in web directories. This can lead to information disclosure, helping attackers plan more targeted attacks. In the case of WordPress Plugin Email Subscribers, directory indexing might reveal sensitive data like configuration files or backups. Such exposures are typically due to default configurations not being adequately secured. Left unnoticed, they pose a significant risk to data privacy and integrity. It is crucial for site operators to ensure their server settings do not enable such vulnerabilities.

The technical aspect of this vulnerability involves server settings that do not prevent directory indexing. A successful exploit allows an attacker to view the contents of folders such as "wp-content/plugins/email-subscribers." Attackers can look for specific patterns like "Index of" in HTTP responses to identify such vulnerable directories. The endpoint of concern, in this case, is a direct path access on the server. If accessible, configuration files and other critical data could be exposed, necessitating proper configuration and access controls to prevent unauthorized access.

If exploited by malicious actors, this vulnerability can lead to significant security breaches. Attackers may gain insights into the site’s structure, making it easier to exploit other vulnerabilities. Unauthorized replicas of the site can be set up, and sensitive data, such as user information and plugin configurations, could be extracted. Moreover, exposed data can facilitate phishing attacks, social engineering, or further penetration testing, compromising user trust and potentially leading to data loss or corruption.

REFERENCES

• https://www.exploit-db.com/ghdb/6428