How severe is CVE-2018-1000118?

CVE-2018-1000118 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-1000118 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1000118?

CVE-2018-1000118 primarily affects Electronjs Electron. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-1000118?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-1000118 published?

CVE-2018-1000118 was published on 2018-03-07 and last updated on 2026-06-17.

CVE-2018-1000118

CVE-2018-1000118 is a high-severity vulnerability in Electronjs Electron with a CVSS 3.x base score of 8.8. 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-78.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.3
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Electronjs Electron
Published: 2018-03-07
Last modified: 2026-06-17

Description

Github Electron version Electron 1.8.2-beta.4 and earlier contains a Command Injection vulnerability in Protocol Handler that can result in command execute. This attack appear to be exploitable via the victim opening an electron protocol handler in their browser. This vulnerability appears to have been fixed in Electron 1.8.2-beta.5. This issue is due to an incomplete fix for CVE-2018-1000006, specifically the black list used was not case insensitive allowing an attacker to potentially bypass it.

Frequently asked questions

What is CVE-2018-1000118?: Github Electron version Electron 1.8.2-beta.4 and earlier contains a Command Injection vulnerability in Protocol Handler that can result in command execute. This attack appear to be exploitable via the victim opening an electron protocol handler in their browser. This vulnerability appears to have been fixed in Electron 1.8.2-beta.5. This issue is due to an incomplete fix for CVE-2018-1000006, specifically the black list used was not case insensitive allowing an attacker to potentially bypass it.
How severe is CVE-2018-1000118?: CVE-2018-1000118 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-1000118 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1000118?: CVE-2018-1000118 primarily affects Electronjs Electron. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-1000118?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-1000118 published?: CVE-2018-1000118 was published on 2018-03-07 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:electronjs:electron:*:*:*:*:*:*:*:*
cpe:2.3:a:electronjs:electron:1.8.2:beta.1:*:*:*:*:*:*
cpe:2.3:a:electronjs:electron:1.8.2:beta.2:*:*:*:*:*:*
cpe:2.3:a:electronjs:electron:1.8.2:beta.3:*:*:*:*:*:*
cpe:2.3:a:electronjs:electron:1.8.2:beta.4:*:*:*:*:*:*

More vulnerabilities in Electronjs Electron

CVE-2017-16151 — Critical (CVSS 9.8): Based on details posted by the ElectronJS team; A remote code execution vulnerability has been discovered in Google…
CVE-2026-34780 — High (CVSS 8.3): Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. From versions…
CVE-2026-34774 — High (CVSS 8.1): Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to…
CVE-2018-15685 — High (CVSS 8.1): GitHub Electron 1.7.15, 1.8.7, 2.0.7, and 3.0.0-beta.6, in certain scenarios involving IFRAME elements and…
CVE-2018-1000136 — High (CVSS 8.1): Electron version 1.7 up to 1.7.12; 1.8 up to 1.8.3 and 2.0.0 up to 2.0.0-beta.3 contains an improper handling of values…
CVE-2020-4076 — High (CVSS 7.8): In Electron before versions 7.2.4, 8.2.4, and 9.0.0-beta21, there is a context isolation bypass. Code running in the…

All CVEs affecting Electronjs Electron →

Other CWE-78 (OS Command Injection) vulnerabilities

CVE-2026-56004 — Critical (CVSS 10.0): A shellcode injection in the mercurial handler of the obs tar_scm source service before version 0.12.4 could be used by…
CVE-2026-56415 — Critical (CVSS 10.0): Storage Concentrator (SC & SCVM) contains a command injection vulnerability within the debug.pl script that is…
CVE-2026-56413 — Critical (CVSS 10.0): Storage Concentrator (SC & SCVM) contains a command injection vulnerability in the ms_service.pl service, which listens…
CVE-2026-49869 — Critical (CVSS 10.0): Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, AuthenticationFilter in…
CVE-2026-49261 — Critical (CVSS 10.0): MariaDB server is a community developed fork of MySQL server. Versions 10.6.1 through 10.6.26, 10.11.1 through…
CVE-2026-10520 — Critical (CVSS 10.0): An OS Command Injection vulnerability in Ivanti Sentry before the R10.5.2, R10.6.2 and R10.7.1 versions allows a…

Browse all CWE-78 (OS Command Injection) vulnerabilities →