CVE-2022-31179
CVSS v3
9.8
CRITICAL
EPSS Score
1.4 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Shescape is a simple shell escape package for JavaScript. Versions prior to 1.5.8 were found to be subject to code injection on windows. This impacts users that use Shescape (any API function) to escape arguments for cmd.exe on Windows An attacker can omit all arguments following their input by including a line feed character (`'\\n'`) in the payload. This bug has been patched in [v1.5.8] which you can upgrade to now. No further changes are required. Alternatively, line feed characters (`'\\n'`) can be stripped out manually or the user input can be made the last argument (this only limits the impact).
Technical details
- Published
- 2022-08-01
Frequently asked questions
What is CVE-2022-31179?
Shescape is a simple shell escape package for JavaScript. Versions prior to 1.5.8 were found to be subject to code injection on windows. This impacts users that use Shescape (any API function) to escape arguments for cmd.exe on Windows An attacker can omit all arguments following their input by including a line feed character (`'\\n'`) in the payload. This bug has been patched in [v1.5.8] which you can upgrade to now. No further changes are required. Alternatively, line feed characters (`'\\n'`) can be stripped out manually or the user input can be made the last argument (this only limits the impact).
Is CVE-2022-31179 actively exploited?
Active exploitation of CVE-2022-31179 has not been confirmed. Its EPSS score was 1.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2022-31179?
CVE-2022-31179 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2022-31179 affecting your environment?
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