CVE-2023-2850

mediumpriority · track · 19EPSS 0.003 · 27 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.33% (27th) EPSS

CVSS 4.7 · medium

Is it mine?

6 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

4.7

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.14.7mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 1.4

v3.14.7mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:Nsecondary · ENISA EU

v3.14.7mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:Nsecondary · report@snyk.ioexploitability 2.8 · impact 1.4

v3.14.7mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:Nsecondary · OSV

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-346USprimaryCWE-1385USCWE-1385USCWE-346US

affected products (6)

Products and version ranges known to be affected.

NodeBB NodeBB≤ < 2.8.13enisa_euvdEU
NodeBB NodeBB3.0.0, → 3.1.3enisa_euvdEU
nodebb nodebb< 2.8.13nvdUScpe:2.3:a:nodebb:nodebb:*:*:*:*:*:*:*:*
nodebb nodebb3.0.0 → 3.1.3nvdUScpe:2.3:a:nodebb:nodebb:*:*:*:*:*:*:*:*
npm nodebb< 2.8.13osvUSpkg:npm/nodebb
npm nodebb3.0.0 → 3.1.3osvUSpkg:npm/nodebb

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-4qcv-qf38-5j3jUnintentional leakage of private information via cross-origin websocket session hijacking2023-07-25ghsa · osvUS
### Impact Private messages or posts might be leaked to third parties if victim opens the attackers site while browsing nodebb. ### Patches * Patched in v3.1.3 * Backported to v2.x line via v2.8.13 ### Workarounds Users can cherry-pick https://github.com/NodeBB/NodeBB/commit/51096ad2345fb1d1380bec0a447113489ef6c359 if they are on v3.x If you are running v2.x of NodeBB, you can cherry-pick a5d92da9ddac5607ab7f737520a66eaed6d3ddee followed by 62e162cf1e735e42462be1db9b4954b5a69accdf

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2023-07-25modified 2026-06-17

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references (10)

External citations — patches, advisories, analysis.

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