High · published September 29, 2023
CVSS calls it high at 7.5. It sits in the 99.1th percentile for exploit probability.
Denial-of-service in NodeBB <= v2.8.10 allows unauthenticated attackers to trigger a crash, when invoking `eventName.startsWith()` or `eventName.toString()`, while processing Socket.IO messages via crafted Socket.IO messages containing array or object type for the event name respectively.