CVE-2021-21384

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.

• CWE-88

• https://github.com/ericcornelissen/shescape/commit/07a069a66423809cbedd61d980c11ca44a29ea2bPatch, Third Party Advisory
• https://github.com/ericcornelissen/shescape/releases/tag/v1.1.3Release Notes, Third Party Advisory
• https://github.com/ericcornelissen/shescape/security/advisories/GHSA-f2rp-38vg-j3ghExploit, Third Party Advisory
• https://www.npmjs.com/package/shescapeProduct
• https://github.com/ericcornelissen/shescape/commit/07a069a66423809cbedd61d980c11ca44a29ea2bPatch, Third Party Advisory
• https://github.com/ericcornelissen/shescape/releases/tag/v1.1.3Release Notes, Third Party Advisory
• https://github.com/ericcornelissen/shescape/security/advisories/GHSA-f2rp-38vg-j3ghExploit, Third Party Advisory
• https://www.npmjs.com/package/shescapeProduct

Published

Mar 19, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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