CVE-2021-21384: medium-severity vulnerability in ericcornelissen shescape
Null characters not escaped in shescape
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.3epss 0.6%
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:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:L/I:H/A:N
Affected products
ericcornelissen · shescapeRelated CVEs — ericcornelissen shescape
In the same product, most dangerous first.
CVE-2022-31180CRITICALInsufficient escaping of whitespace in shescapeEPSS 2.0%CVE-2022-36064MEDIUMShescape Inefficient Regular Expression Complexity vulnerabilityEPSS 1.5%CVE-2022-31179HIGHInsufficient escaping of line feeds for CMD in shescapeEPSS 1.4%CVE-2026-73414CRITICALShescape: Shell injection via unescaped parentheses on Windows with CMDEPSS 0.9%CVE-2023-35931LOWShescape potential environment variable exposure on Windows with CMDEPSS 0.8%CVE-2023-40185MEDIUMShescape on Windows escaping may be bypassed in threaded contextEPSS 0.7%