Improper neutralization of special elements used in a command ('command injection') in Windows PowerShell allows an unauthorized attacker to execute code locally.
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Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2025-12-09. NVD baseline CVSS 7.8; sources differ by 0.0.
Improper neutralization of special elements used in a command ('command injection') in Windows PowerShell allows an unauthorized attacker to execute code locally.
December 9, 2025
December 24, 2025
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.
Working exploit code is in the public domain (2 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
CVE-2025-54100 (CVSS 7.8 High) is a command injection vulnerability in the Invoke-WebRequest cmdlet of Windows PowerShell 5.1. It arises from improper neutralization of special elements during the automatic parsing of Web responses.
Open source ↗See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-54100
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msrc
CWE-77