CVE-2023-40185

low-risk
Published 2023-08-23

shescape is simple shell escape library for JavaScript. This may impact users that use Shescape on Windows in a threaded context. The vulnerability can result in Shescape escaping (or quoting) for the wrong shell, thus allowing attackers to bypass protections depending on the combination of expected and used shell. This bug has been patched in version 1.7.4.

Do I need to act?

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0.08% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10 Medium
NETWORK / HIGH complexity

Affected Products (1)

Shescape

Affected Vendors

Shescape Project

References (8)

Patch https://github.com/ericcornelissen/shescape/commit/0b976dab645abf45ffd85e74a8c6e...
Patch https://github.com/ericcornelissen/shescape/pull/1142
Release Notes https://github.com/ericcornelissen/shescape/releases/tag/v1.7.4
Exploit https://github.com/ericcornelissen/shescape/security/advisories/GHSA-j55r-787p-m...
Patch https://github.com/ericcornelissen/shescape/commit/0b976dab645abf45ffd85e74a8c6e...
Patch https://github.com/ericcornelissen/shescape/pull/1142
Release Notes https://github.com/ericcornelissen/shescape/releases/tag/v1.7.4
Exploit https://github.com/ericcornelissen/shescape/security/advisories/GHSA-j55r-787p-m...
25
/ 100
low-risk
Severity 20/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal