CVE-2018-1000118

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.8 under NVD CVSS v3. EPSS exploit probability: 2.4%, top 18% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 2%CVSS: 8.8Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
45(Track)
EG Risk 45/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity88% × 45%
Exploitation2% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
2%
EPSS %ILE
83%
KEV
Not listed

Published

March 7, 2018

Last Modified

November 21, 2024

Advisory Details (2)

Auto-updated Aug 20, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit.
github_commit

commit ce361a12e355 (electron/electron)

Fix landed in electron/electron commit ce361a12e355 — awaiting tagged release

https://github.com/electron/electron/commit/ce361a12e355f9e1e99c989f1ea056c9e502dbe7
generic

Electron Releases

https://electronjs.org/releases#1.8.2-beta.5

Affected Packages

(1 across 1 ecosystem)
npm(1)
PackageVulnerable rangeFixed inDependents
electron—1.8.2-beta5—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 6× in last 7d / 21× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 132 total refreshes for this CVE.

  1. 2026-09-07 15:56 UTCEPSS rescore
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Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2018-1000118?
CVE-2018-1000118 is a high vulnerability published on March 7, 2018. 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…
When was CVE-2018-1000118 disclosed?
CVE-2018-1000118 was first published in the National Vulnerability Database on March 7, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-1000118 actively exploited?
CVE-2018-1000118 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2% probability of exploitation in the next 30 days, which ranks it in the top 17.0% of all scored CVEs.
What is the CVSS score of CVE-2018-1000118?
CVE-2018-1000118 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2018-1000118?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-1000118, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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