Mattermost Server Input Validation Error Vulnerability (CNVD-2020-48240)

Mattermost Server is the United States Mattermost company's set of open source messaging platform. A security vulnerability exists in Mattermost Server versions prior to 4.3.0, prior to 4.2.1, and prior to 4.1.2. An attacker can exploit the vulnerability by creating a button that initiates an API...