CVE-2019-9673

HIGHNVD 8.88.8—Trending — 3 sources updated this weekElevated

8.8

Freenet 1483 has a MIME type bypass that allows arbitrary JavaScript execution via a crafted Freenet URI.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 94.8%
KEV: Not listed

Published

June 5, 2019

Last Modified

November 21, 2024

References (6)

cve@mitrehttps://freenetproject.org
cve@mitrehttps://freenetproject.org/freenet-build-1484-released.html
cve@mitrehttps://github.com/mgrube/CVE-2019-9673
af854a3a-2127-422b-91ae-364da2661108https://freenetproject.org
af854a3a-2127-422b-91ae-364da2661108https://freenetproject.org/freenet-build-1484-released.html
af854a3a-2127-422b-91ae-364da2661108https://github.com/mgrube/CVE-2019-9673

Weakness Classification(1)

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

CWE-19

Data Freshness Timeline

(refreshed 13× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 18:45 UTCEG score recompute
2026-05-27 18:45 UTCGHSA enrichment
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-24 18:42 UTCOSV refresh
2026-05-24 16:47 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoCmgrube/CVE-2019-9673
First seen Mar 11, 2019
Writeup
Open source ↗

Frequently asked(5)

What is CVE-2019-9673?

CVE-2019-9673 is a high vulnerability published on June 5, 2019. Freenet 1483 has a MIME type bypass that allows arbitrary JavaScript execution via a crafted Freenet URI.

When was CVE-2019-9673 disclosed?

CVE-2019-9673 was first published in the National Vulnerability Database on June 5, 2019, 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-2019-9673 actively exploited?

CVE-2019-9673 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 94.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-9673?

CVE-2019-9673 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2019-9673?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-9673, 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.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2019-9673

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