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MEDIUM

CVE-2021-43788

CVSS v3

5

MEDIUM

EPSS Score

25.8 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • nodebbnpmfrom 1.0.4 · fixed in 1.18.5

Full record on NVD

Description

Nodebb is an open source Node.js based forum software. Prior to v1.18.5, a path traversal vulnerability was present that allowed users to access JSON files outside of the expected `languages/` directory. The vulnerability has been patched as of v1.18.5. Users are advised to upgrade as soon as possible.

Technical details

Published
2021-11-29

Frequently asked questions

What is CVE-2021-43788?

Nodebb is an open source Node.js based forum software. Prior to v1.18.5, a path traversal vulnerability was present that allowed users to access JSON files outside of the expected `languages/` directory. The vulnerability has been patched as of v1.18.5. Users are advised to upgrade as soon as possible.

Is CVE-2021-43788 actively exploited?

Active exploitation of CVE-2021-43788 has not been confirmed. Its EPSS score was 25.8% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-43788?

CVE-2021-43788 has a CVSS v3 base score of 5 (MEDIUM severity).

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