WordPress Plugin Really Simple CAPTCHA Full Path Disclosure Scanner

WordPress Plugin Really Simple CAPTCHA is a widely used plugin in WordPress sites for handling CAPTCHA functionality. Designed for simplicity, this plugin offers an easy way to implement CAPTCHA in contact forms and other input sections. Website administrators and developers utilize it to prevent automated bots from performing unwanted actions. The plugin is popular due to its straightforward integration and minimal configuration requirements. It serves as an essential tool for enhancing security and mitigating spam. Its usage extends across various WordPress sites seeking to bolster user engagement security features.

The main vulnerability detected in this plugin pertains to improper file handling processes. This vulnerability can inadvertantly expose sensitive file paths and make the application prone to file-related attacks. Unauthorized users can exploit this issue to retrieve full path disclosure information. When combined with other vulnerabilities, it poses a risk to application security. Such vulnerabilities are crucial as they could assist malicious actors in planning further attacks. Effective scanning for improper file handling is vital to prevent potential data breaches and unauthorized system access.

Technical details reveal that the vulnerability is accessed via specific plugin paths like /wp-content/plugins/really-simple-captcha/really-simple-captcha.php. The endpoints are vulnerable to improper file processing leading to path disclosures. The vulnerability is triggered through specific GET requests where error messages contain sensitive file paths. The presence of "Fatal error" or "Uncaught Error" in the HTTP response body is indicative of exposure. This improper file process could aid attackers when performing more complex attack vectors. Addressing this vulnerability requires attention to plugin infrastructure stability.

Exploitation of this vulnerability can have several negative impacts on affected systems. Unauthorized disclosure of application paths can assist attackers in locating additional vulnerabilities. This information could be part of reconnaissance efforts that precede more severe attacks. Improper file process issues can put user data, application code, and system integrity at risk. They can indirectly lead to unauthorized access or modifications where security controls are lax. Ensuring proper mitigation measures are in place is crucial for comprehensive security management.

REFERENCES

• https://wordpress.org/plugins/really-simple-captcha/