{"cve":"CVE-2021-21384","nvd":{"published":"2021-03-19T00:15:11.793","modified":"2026-06-17T03:35:27.620","status":"Modified","description":"shescape is a simple shell escape package for JavaScript. In shescape before version 1.1.3, anyone using _Shescape_ to defend against shell injection may still be vulnerable against shell injection if the attacker manages to insert a into the payload. For an example see the referenced GitHub Security Advisory. The problem has been patched in version 1.1.3. No further changes are required.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-88"],"references":["https://github.com/ericcornelissen/shescape/commit/07a069a66423809cbedd61d980c11ca44a29ea2b","https://github.com/ericcornelissen/shescape/releases/tag/v1.1.3","https://github.com/ericcornelissen/shescape/security/advisories/GHSA-f2rp-38vg-j3gh","https://www.npmjs.com/package/shescape","https://github.com/ericcornelissen/shescape/commit/07a069a66423809cbedd61d980c11ca44a29ea2b"],"products":["shescape_project:shescape"],"source":"nvd","synced_at":"2026-10-19T21:15:50.279857260+00:00"},"epss":{"cve":"CVE-2021-21384","score":0.00578,"percentile":0.47597,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-f2rp-38vg-j3gh","url":"https://osv.dev/vulnerability/GHSA-f2rp-38vg-j3gh","summary":"Null characters not escaped","modified":"2026-09-10T03:49:01.950835153Z","packages":[{"ecosystem":"npm","name":"shescape","purl":"pkg:npm/shescape","ranges":["<1.1.3"],"fixed":["1.1.3"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}