CVE-2024-4399 Scanner

The WordPress CAS Theme is leveraged by website developers and administrators to enhance the visual and functional aspects of WordPress sites. Often used for its customizable features and responsive design, it is popular among bloggers, businesses, and e-commerce site operators. The theme's appeal lies in its ability to blend seamlessly with various plugins and extensions, thereby extending the capabilities of WordPress installations. Being part of the WordPress ecosystem, it benefits from the platform's support and regular updates. However, with numerous users comes the challenge of ensuring security across diverse deployment configurations. Its widespread adoption makes any vulnerability within this theme a significant concern for users across multiple industries.

The Server-Side Request Forgery (SSRF) vulnerability allows unauthenticated attackers to induce the server to send unauthorized requests to arbitrary external or internal endpoints. This can be exploited to perform operations such as bypassing firewall restrictions and access control lists. SSRF often results from improper validation of user-supplied URLs within scripts like get_remote_data.php. Attackers can manipulate the URL parameter to make requests that should otherwise be restricted. This vulnerability may lead to data exposure or unauthorized actions depending on the network setup. Maintaining control over server endpoints and the scope of web requests is crucial to mitigate such security risks.

This vulnerability is primarily found within the 'url' parameter of the get_remote_data.php script in the CAS theme. By supplying a malicious URL, an attacker can exploit the server to perform unintended actions. The vulnerability exists due to insufficient validation of user input within this parameter, allowing the server to process arbitrary addresses. The SSRF flaw can potentially compromise internal or external resources by sending crafted requests through the theme's interaction. Without proper input sanitation, such vulnerabilities can not only expose sensitive information but also facilitate further attacks. This highlights the importance of implementing robust input handling and validation mechanisms.

When exploited, the SSRF vulnerability may lead to unauthorized network access, allowing attackers to gain insights into internal services. It could result in sensitive information leakage if internal systems are inadvertently accessed through the vulnerable theme. Additionally, it poses the risk of launching further attacks by exploiting exposed internal applications. Unauthorized requests may also disrupt normal service operation, leading to resource exhaustion or service downtime. The proliferation of such vulnerabilities can result in extensive reputational and financial damage for affected organizations. Consequently, addressing SSRF vulnerabilities should be a priority in maintaining web application security.

REFERENCES

• https://wpscan.com/vulnerability/0690327e-da60-4d71-8b3c-ac9533d82302
• https://nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-4399