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CVE-2025-30222 – Shescape Windows Environment Variable Exposure

The following table lists the changes that have been made to the
CVE-2025-30222 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Mar. 25, 2025

    Action Type Old Value New Value
    Added Description Shescape is a simple shell escape library for JavaScript. Versions 1.7.2 through 2.1.1 are vulnerable to potential environment variable exposure on Windows with CMD. This impact users of Shescape on Windows that explicitly configure `shell: ‘cmd.exe’` or `shell: true` using any of `quote`/`quoteAll`/`escape`/`escapeAll`. An attacker may be able to get read-only access to environment variables. This bug has been patched in v2.1.2. For those who are already using v2 of Shescape, no further changes are required. Those who are are using v1 of Shescape should follow the migration guide to upgrade to v2. There is no plan to release a patch compatible with v1 of Shescape. As a workaround, users can remove all instances of `%` from user input before using Shescape.
    Added CVSS V4.0 AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CWE CWE-200
    Added Reference https://github.com/ericcornelissen/shescape/commit/0a81f1eb077bab8caae283a2490cd7be9af179c6
    Added Reference https://github.com/ericcornelissen/shescape/pull/1916
    Added Reference https://github.com/ericcornelissen/shescape/releases/tag/v2.1.2
    Added Reference https://github.com/ericcornelissen/shescape/security/advisories/GHSA-66pp-5p9w-q87j
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