CVE-2021-43788
mediumpriority · track · 29EPSS 0.258 · 98 %ileEUUSEPSS · scored 2026-10-27
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (3)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- GHSA-pfj7-2qfw-vwgmNodeBB vulnerable to path traversal in translator module2021-11-30ghsa · osvUS
### Impact Prior to v1.18.5, a path traversal vulnerability was present that allowed users to access JSON files outside of the expected `languages/` directory. ### Patches The vulnerability has been patched as of v1.18.5. ### Workarounds Cherry-pick commit hash `c8b2fc46dc698db687379106b3f01c71b80f495f` to receive this patch in lieu of a full upgrade. ### For more information If you have any questions or comments about this advisory: * Email us at [security@nodebb.org](mailto:security@nodebb.org)
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (13)
External citations — patches, advisories, analysis.
- https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/cnnvd
- https://github.com/NodeBB/NodeBB/commit/c8b2fc46dc698db687379106b3f01c71b80f495fcnnvd
- https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5cnnvd
- https://github.com/NodeBB/NodeBB/security/advisories/GHSA-pfj7-2qfw-vwgmcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2021-43788cnnvd
- https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/enisa_euvd
- https://github.com/NodeBB/NodeBB/commit/c8b2fc46dc698db687379106b3f01c71b80f495fenisa_euvd
- https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5enisa_euvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan