How severe is CVE-2023-35931?

CVE-2023-35931 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-35931 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-35931?

CVE-2023-35931 affects Shescape Project Shescape. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-35931?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-35931 published?

CVE-2023-35931 was published on 2023-06-23 and last updated on 2026-06-17.

CVE-2023-35931

CVE-2023-35931 is a low-severity vulnerability in Shescape Project Shescape with a CVSS 3.x base score of 3.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-526.

Key facts

Severity: Low (CVSS 3.x base score 3.1)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-526
Affected product: Shescape Project Shescape
Published: 2023-06-23
Last modified: 2026-06-17

Description

Shescape is a simple shell escape library for JavaScript. An attacker may be able to get read-only access to environment variables. This bug has been patched in version 1.7.1.

Frequently asked questions

What is CVE-2023-35931?: Shescape is a simple shell escape library for JavaScript. An attacker may be able to get read-only access to environment variables. This bug has been patched in version 1.7.1.
How severe is CVE-2023-35931?: CVE-2023-35931 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-35931 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-35931?: CVE-2023-35931 affects Shescape Project Shescape. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-35931?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-35931 published?: CVE-2023-35931 was published on 2023-06-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:shescape_project:shescape:*:*:*:*:*:node.js:*:*

More vulnerabilities in Shescape Project Shescape

CVE-2022-31180 — Critical (CVSS 9.8): Shescape is a simple shell escape package for JavaScript. Affected versions were found to have insufficient escaping of…
CVE-2022-31179 — High (CVSS 8.1): Shescape is a simple shell escape package for JavaScript. Versions prior to 1.5.8 were found to be subject to code…
CVE-2026-32094 — Medium (CVSS 6.5): Shescape is a simple shell escape library for JavaScript. Prior to 2.1.10, Shescape#escape() does not escape…
CVE-2023-40185 — Medium (CVSS 6.5): shescape is simple shell escape library for JavaScript. This may impact users that use Shescape on Windows in a…
CVE-2021-21384 — Medium (CVSS 6.3): shescape is a simple shell escape package for JavaScript. In shescape before version 1.1.3, anyone using _Shescape_ to…
CVE-2022-24725 — Medium (CVSS 6.2): Shescape is a shell escape package for JavaScript. An issue in versions 1.4.0 to 1.5.1 allows for exposure of the home…

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Other CWE-526 vulnerabilities

CVE-2026-45370 — High (CVSS 7.7): python-utcp is the python implementation of UTCP. Prior to 1.1.3, _prepare_environment() in…
CVE-2023-5720 — High (CVSS 7.7): A flaw was found in Quarkus, where it does not properly sanitize artifacts created using the Gradle plugin, allowing…
CVE-2025-28381 — High (CVSS 7.5): A credential leak in OpenC3 COSMOS before v6.0.2 allows attackers to access service credentials as environment…
CVE-2026-40153 — High (CVSS 7.4): PraisonAIAgents is a multi-agent teams system. Prior to 1.5.128, the execute_command function in shell_tools.py calls…
CVE-2024-2700 — High (CVSS 7.0): A vulnerability was found in the quarkus-core component. Quarkus captures local environment variables from the Quarkus…
CVE-2023-43029 — Medium (CVSS 6.8): IBM Storage Virtualize vSphere Remote Plug-in 1.0 and 1.1 could allow a remote user to obtain sensitive credential…

Browse all CWE-526 vulnerabilities →