CVE-2021-43788
Prior to v1.18.5, a path traversal vulnerability was present that allowed users to access JSON files outside of the expected `languages/` directory.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 25.8%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.1
- 5.0 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
- EPSS
- 25.84% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- nodebb/nodebb
- Source
- security-advisories@github.com
EPSS 25.8% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/Exploit, Third Party Advisory
- https://github.com/NodeBB/NodeBB/commit/c8b2fc46dc698db687379106b3f01c71b80f495fPatch, Third Party Advisory
- https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5Release Notes, Third Party Advisory
- https://github.com/NodeBB/NodeBB/security/advisories/GHSA-pfj7-2qfw-vwgmThird Party Advisory
- https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/Exploit, Third Party Advisory
- https://github.com/NodeBB/NodeBB/commit/c8b2fc46dc698db687379106b3f01c71b80f495fPatch, Third Party Advisory
- https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5Release Notes, Third Party Advisory
- https://github.com/NodeBB/NodeBB/security/advisories/GHSA-pfj7-2qfw-vwgmThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.