AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2023-30591

HIGH · CVSS 7.5 EPSS 53.80% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-09-29 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. Public exploit code or proof-of-concept references have been detected in its references. Its EPSS score suggests a 53.8% probability of exploitation in the next 30 days. Exploitation may require the attacker to be authenticated. It may lead to a denial-of-service condition.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2023-30591
Severity
HIGH
CVSS
7.5
EPSS
53.80%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)