CVE-2021-21384

MEDIUM

shescape <1.1.3 - Code Injection

Title source: llm

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.

References (4)

[Patch, Third Party Advisory] https://github.com/ericcornelissen/shescape/commit/07a069a66423809cbedd61d980c11ca44a29ea2b

View Patch ZIP pw:eip

[Release Notes, Third Party Advisory] https://github.com/ericcornelissen/shescape/releases/tag/v1.1.3

[Exploit, Third Party Advisory] https://github.com/ericcornelissen/shescape/security/advisories/GHSA-f2rp-38vg-j3gh

[Product] https://www.npmjs.com/package/shescape

Scores

CVSS v3 6.3

EPSS 0.0016

EPSS Percentile 37.4%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:L/I:H/A:N

Classification

CWE

CWE-88

Status published

Affected Products (2)

shescape_project/shescape < 1.1.3

npm/shescape < 1.1.3npm

Timeline

Published Mar 19, 2021

Tracked Since Feb 18, 2026