Exposure of Sensitive Information to an Unauthorized Actor
An information disclosure vulnerability in OnionShare 2.3.dev1 before 2.4.dev1 allows remote unauthenticated attackers to retrieve the full list of participants of a non-public OnionShare node via the --chat feature.
CWE-200 - Information Exposure
An information exposure vulnerability is categorized as an information flow (IF) weakness, which can potentially allow unauthorized access to otherwise classified information in the application, such as confidential personal information (demographics, financials, health records, etc.), business secrets, and the application's internal environment.