CVE-2023-30591
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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 58.7%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 58.69% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-241, CWE-754
- Affected
- nodebb/nodebb
- Source
- info@starlabs.sg
EPSS moved from 58.7% on 30 September 2026 to 58.7% on 3 November 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- https://github.com/NodeBB/NodeBB/commit/37b48b82a4bc7680c6e4c42647209010cb239c2cPatch
- https://github.com/NodeBB/NodeBB/commit/4d2d76897a02e7068ab74c81d17a2febfae8bfb9Patch
- https://github.com/NodeBB/NodeBB/commit/830f142b7aea2e597294a84d52c05aab3a3539caPatch
- https://starlabs.sg/advisories/23/23-30591/Third Party Advisory
- https://github.com/NodeBB/NodeBB/commit/37b48b82a4bc7680c6e4c42647209010cb239c2cPatch
- https://github.com/NodeBB/NodeBB/commit/4d2d76897a02e7068ab74c81d17a2febfae8bfb9Patch
- https://github.com/NodeBB/NodeBB/commit/830f142b7aea2e597294a84d52c05aab3a3539caPatch
- https://starlabs.sg/advisories/23/23-30591/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.