{"id":"CVE-2021-43788","aliases":["EUVD-2021-2372","GHSA-pfj7-2qfw-vwgm"],"status":"published","title":"Path traversal in translator module of NobeBB","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.","severity":{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.25843,"percentile":0.98001,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-22"],"published":"2021-11-29T19:35:12Z","modified":"2026-10-20T10:55:03Z","fixes":[{"ecosystem":"npm","package":"nodebb","fixed_in":["1.18.5"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"nodebb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0.4"},{"fixed":"1.18.5"}]}]},{"source":"osv","ecosystem":"npm","package":"nodebb","ranges":[{"type":"SEMVER","events":[{"introduced":"1.0.4"},{"fixed":"1.18.5"}]}]}],"products":[{"vendor":"nodebb","product":"nodebb"}],"references":[{"url":"https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory","web"]},{"url":"https://github.com/NodeBB/NodeBB/security/advisories/GHSA-pfj7-2qfw-vwgm","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/NodeBB/NodeBB/commit/c8b2fc46dc698db687379106b3f01c71b80f495f","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-43788","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-pfj7-2qfw-vwgm"},{"url":"https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot","tags":["web"]},{"url":"https://github.com/NodeBB/NodeBB","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-43788","title":"Path traversal in translator module of NobeBB","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.","status":"published","published":"2021-11-29T19:35:12Z","modified":"2024-08-04T04:03:08.978Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:32:57.033395Z"}],"euvd":[{"id":"EUVD-2021-2372","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.","status":"published","published":"2021-11-29T19:35:12Z","modified":"2024-08-04T04:03:08Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T03:24:13.772922Z"}],"ghsa":[{"id":"GHSA-pfj7-2qfw-vwgm","title":"NodeBB vulnerable to path traversal in translator module","description":"### Impact\nPrior to v1.18.5, a path traversal vulnerability was present that allowed users to access JSON files outside of the expected `languages/` directory.\n\n### Patches\nThe vulnerability has been patched as of v1.18.5.\n\n### Workarounds\nCherry-pick commit hash `c8b2fc46dc698db687379106b3f01c71b80f495f` to receive this patch in lieu of a full upgrade.\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Email us at [security@nodebb.org](mailto:security@nodebb.org)\n","status":"published","published":"2021-11-30T22:20:43Z","modified":"2023-02-01T05:06:25Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:36:39.086869Z"}],"nvd":[{"id":"CVE-2021-43788","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.","status":"published","published":"2021-11-29T20:15:08.253Z","modified":"2026-06-17T04:11:26.48Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:07:01.811115Z"}],"osv":[{"id":"CVE-2021-43788","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.","status":"published","published":"2021-11-29T20:15:08.253Z","modified":"2026-10-20T10:55:03.405067472Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:21.877444Z"},{"id":"GHSA-pfj7-2qfw-vwgm","title":"NodeBB vulnerable to path traversal in translator module","description":"### Impact\nPrior to v1.18.5, a path traversal vulnerability was present that allowed users to access JSON files outside of the expected `languages/` directory.\n\n### Patches\nThe vulnerability has been patched as of v1.18.5.\n\n### Workarounds\nCherry-pick commit hash `c8b2fc46dc698db687379106b3f01c71b80f495f` to receive this patch in lieu of a full upgrade.\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Email us at [security@nodebb.org](mailto:security@nodebb.org)\n","status":"published","published":"2021-11-30T22:20:43Z","modified":"2026-07-08T06:28:55.197953876Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:46:53.244788Z"}]}}