WordPress Brandfolder Open Redirect Scanner

WordPress Brandfolder is widely used by businesses and individuals who seek to manage and share their brand assets digitally. This plugin integrates seamlessly with WordPress websites, providing additional functionalities and tools for users to organize and distribute digital content efficiently. It's commonly deployed by marketing teams to ensure consistent and easy access to media and brand resources. Users appreciate its ability to synchronize with other tools, enhancing the overall operability of websites. Furthermore, its streamlined design supports users in maintaining brand integrity across multiple digital platforms. It has been adopted by small to large enterprises, enhancing their content management processes.

An Open Redirect vulnerability in a web application occurs when the site allows input to redirect users to any external link without proper validation. This particular vulnerability can lead to malicious actors redirecting unsuspecting users to phishing sites or other harmful locations. Such vulnerabilities undermine user trust and can be exploited to gather sensitive information. Attackers typically craft links that appear to originate from trusted sources, deceiving users into following harmful redirections. In WordPress Brandfolder, this vulnerability exposes sites to increased security risks if unpatched. Ensuring comprehensive validation of redirect URLs can mitigate this issue.

The technical details of the Open Redirect vulnerability in WordPress Brandfolder involve the 'callback.php' endpoint. Attackers exploit the 'wp_abspath' parameter to inject arbitrary URLs, effectively redirecting victims to malicious sites. The Open Redirect is facilitated by inadequate input validation in the parameter handling. This oversight allows attackers to construct URLs that redirect users without detection. A typical manifestation includes phishing attempts where users think they are visiting a legitimate site. Protecting against such threats requires developers to enforce strict checks on URL parameters.

Exploiting this vulnerability can lead to users being unknowingly redirected to harmful sites, potentially causing identity theft, malware infections, or financial losses. Users may be tricked into entering personal information on fraudulent sites designed to mimic legitimate ones. As a result, site reputation and user trust can be severely damaged. Redirect-based attacks can also be used as part of larger schemes to bypass security controls or distribute malicious software. It highlights the need for stringent security measures to protect both site owners and users.

REFERENCES

• https://www.exploit-db.com/exploits/39591
• https://wpscan.com/vulnerability/f850e182-f9c6-4264-b2b1-e587447fe4b1