CVE-2023-30591

    Dashboard / Vulnerabilities / CVE-2023-30591

    CVE-2023-30591

    Published: 29 Sept 2023Last Modified: 12 Aug 2026

    Summary: NodeBB Pre-Authentication Denial-of-Service

    Details: 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://github.com/CVEProject/cvelistV5/tree/main/cves/2023/30xxx/CVE-2023-30591.json, https://nvd.nist.gov/vuln/detail/CVE-2023-30591, https://starlabs.sg/advisories/23/23-30591/, https://github.com/NodeBB/NodeBB/commit/37b48b82a4bc7680c6e4c42647209010cb239c2c, https://github.com/NodeBB/NodeBB/commit/4d2d76897a02e7068ab74c81d17a2febfae8bfb9, https://github.com/NodeBB/NodeBB/commit/830f142b7aea2e597294a84d52c05aab3a3539ca, https://github.com/NodeBB/NodeBB

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -37b48b82a4bc7680c6e4c42647209010cb239c2c

    Affected versions

    v2.8.10
    v2.8.9
    v2.8.8
    v2.8.7
    v2.8.6
    v2.8.5
    v2.8.4
    v2.8.3
    v2.8.2
    v2.8.1
    v2.8.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2023-30591 | CVE-DB