Shopify Access Token (Custom App) Detection Scanner

Shopify is a widely used e-commerce platform that enables retailers to set up and manage online stores. Its customizable nature allows businesses of various sizes to tailor their web stores to fit specific needs. Entrepreneurs and established businesses alike use Shopify for its robust features and ease of integration with third-party applications. Shopify Custom Apps are increasingly popular for adding unique functionalities, enhancing user experience, and streamlining operations. By managing operations, processing transactions, and engaging customers, Shopify serves as a backbone for e-commerce businesses aiming to maximize their reach and efficiency.

Token exposure vulnerabilities in Shopify Custom Apps occur when sensitive access tokens are inadvertently revealed. These tokens can grant malicious actors unauthorized access to protected data and functionalities. Detecting and securing exposed tokens is crucial to safeguarding sensitive information from unauthorized access. It typically involves scanning digital assets for evidence of token exposure, such as unfiltered or improperly secured API keys. Awareness and patching of token vulnerabilities play a vital role in fortifying the security posture of software ecosystems.

Exposure of access tokens in Shopify Custom Apps can result from errors like improper handling and storage of tokens within application code. The vulnerable endpoint often involves API interactions where tokens are passed without adequate security measures. Identifying leaked tokens requires examining HTTP response bodies, where a regex scan can detect the presence of such tokens. Awareness of the technical pitfalls that lead to exposure aids developers in implementing better security practices.

Exploiting exposed access tokens could allow attackers unauthorized control over Shopify store configurations, data breach, transaction tampering, or other malicious activities. Such control can lead to severe financial losses, data integrity issues, or reputation damage. Preventing token misuse forms a critical line of defense against unauthorized access and operational disruption. Mitigating these risks involves stringent authentication and regular security audits to identify and eliminate vulnerabilities in application code.

REFERENCES

• https://github.com/praetorian-inc/noseyparker/blob/main/data/default/rules/shopify.yml
• https://shopify.dev/apps/auth
• https://shopify.dev/changelog/app-secret-key-length-has-increased