FreshRSS Api Exposure Detection Scanner

FreshRSS is an open-source RSS aggregator designed to make it easy for users to manage their feed subscriptions. It's commonly used by individuals, small teams, and organizations looking for a self-hosted solution to stay updated on web content. People across diverse sectors, from journalism to tech, use FreshRSS to streamline the information overload they encounter daily. It serves as a personal aggregator that organizes and collects content from different sources in one location. This tool is especially beneficial for those who wish to have more control over their news and information consumption while maintaining privacy. It's often deployed on private servers, giving users full control over their data.

The exposure vulnerability within FreshRSS involves the Fever API being accessible without proper authorization. This exposure allows unauthorized users to view potentially sensitive RSS feed data. The open access of this API endpoint poses a security risk by possibly revealing user-related information. Exploiting this vulnerability could lead to unauthorized users getting insight into the habits and preferences of FreshRSS users. Although the data in RSS feeds may seem innocuous, it can sometimes include sensitive or personal information. Regular updates and security checks are crucial to prevent such unauthorized exposures.

The vulnerability details of the FreshRSS exposure involve the Fever API, which, if not properly secured, is exposed to public access. The endpoint in concern is accessible via GET requests to the `/api/` path. It requires specific words like "FreshRSS API endpoints" and "Fever compatible API" to be present in the response body, along with a status code of 200 indicating success. This exposure does not require authentication, making it a prime target for anyone seeking to extract RSS feed data from a vulnerable FreshRSS instance. Proper configuration and updates are necessary to mitigate risks associated with this vulnerability.

If exploited, the FreshRSS exposure vulnerability could result in the unauthorized collection of RSS feed data and user preferences. Malicious actors might collect this information to build profiles on users or conduct targeted phishing attacks. Public information exposure might lead to reputational damage for users or organizations if sensitive data were shared unintentionally. It also raises privacy concerns, as the data might be aggregated and sold or used without the user's consent. Securing the API endpoint effectively minimizes these risks by restricting unauthorized accesses.

REFERENCES

• https://freshrss.github.io/FreshRSS/en/developers/06_Fever_API.html