CVE-2023-30591

high

Description

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.

References

https://starlabs.sg/advisories/23/23-30591/

https://github.com/NodeBB/NodeBB/commit/830f142b7aea2e597294a84d52c05aab3a3539ca

https://github.com/NodeBB/NodeBB/commit/4d2d76897a02e7068ab74c81d17a2febfae8bfb9

https://github.com/NodeBB/NodeBB/commit/37b48b82a4bc7680c6e4c42647209010cb239c2c

Details

Source: Mitre, NVD

Published: 2023-09-29

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.53804