What’s Vulnerable › Vulnerabilities

CVE-2023-2850

• Severity: medium (CVSS 4.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-07-25 · updated 2026-06-17
• Weakness: CWE-1385

Description

NodeBB is affected by a Cross-Site WebSocket Hijacking vulnerability due to missing validation of the request origin. Exploitation of this vulnerability allows certain user information to be extracted by attacker.

Affected products

• NodeBB: before 2.8.13; from 3.0.0 before 3.1.3 — fixed in 2.8.13, 3.1.3

How to fix

Upgrade to a fixed version: NodeBB 2.8.13, 3.1.3. Check the vendor advisory for mitigations.

References

• https://github.com/NodeBB/NodeBB/commit/51096ad2345fb1d1380bec0a447113489ef6c359
• https://github.com/NodeBB/NodeBB/releases/tag/v3.1.3
• https://github.com/NodeBB/NodeBB/security/advisories/GHSA-4qcv-qf38-5j3j
• https://github.com/NodeBB/NodeBB/commit/51096ad2345fb1d1380bec0a447113489ef6c359
• https://github.com/NodeBB/NodeBB/releases/tag/v3.1.3
• https://github.com/NodeBB/NodeBB/security/advisories/GHSA-4qcv-qf38-5j3j

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