Medium severity6.3NVD Advisory· Published Mar 19, 2021· Updated Jun 17, 2026
CVE-2021-21384
CVE-2021-21384
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
shescapenpm | < 1.1.3 | 1.1.3 |
Affected products
2- Range: < 1.1.3
Patches
Vulnerability mechanics
References
6- github.com/ericcornelissen/shescape/commit/07a069a66423809cbedd61d980c11ca44a29ea2bnvdPatchThird Party AdvisoryWEB
- github.com/ericcornelissen/shescape/security/advisories/GHSA-f2rp-38vg-j3ghnvdExploitThird Party AdvisoryWEB
- github.com/advisories/GHSA-f2rp-38vg-j3ghghsaADVISORY
- github.com/ericcornelissen/shescape/releases/tag/v1.1.3nvdRelease NotesThird Party AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2021-21384ghsaADVISORY
- www.npmjs.com/package/shescapenvdProductWEB
News mentions
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