CVE-2021-21384
CVSS v3
7.8
HIGH
EPSS Score
0.6 %
exploit probability, as of 2026-10-19
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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Affected and fixed versions
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Packages
- shescapenpmall versions · fixed in 1.1.3
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.
Technical details
- Published
- 2021-03-19
Frequently asked questions
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Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.