CVE-2019-12173

HIGHNVD 8.88.8—

8.8

MacDown 0.7.1 (870) allows remote code execution via a file:\\\ URI, with a .app pathname, in the HREF attribute of an A element. This is different from CVE-2019-12138.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 85.5%
KEV: Not listed

Published

May 18, 2019

Last Modified

November 21, 2024

References (2)

cve@mitrehttps://github.com/MacDownApp/macdown/issues/1050
af854a3a-2127-422b-91ae-364da2661108https://github.com/MacDownApp/macdown/issues/1050

Weakness Classification(1)

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

CWE-22Path Traversal

Data Freshness Timeline

(refreshed 11× in last 7d / 20× 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.

2026-06-06 13:45 UTCepss_batch
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2026-05-29 13:42 UTCepss_batch
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2026-05-27 19:25 UTCEG score recompute
2026-05-27 19:25 UTCGHSA enrichment
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch

Frequently asked(5)

What is CVE-2019-12173?

CVE-2019-12173 is a high vulnerability published on May 18, 2019. MacDown 0.7.1 (870) allows remote code execution via a file:\\\ URI, with a .app pathname, in the HREF attribute of an A element. This is different from CVE-2019-12138.

When was CVE-2019-12173 disclosed?

CVE-2019-12173 was first published in the National Vulnerability Database on May 18, 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-2019-12173 actively exploited?

CVE-2019-12173 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 85.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-12173?

CVE-2019-12173 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2019-12173?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-12173, 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

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CVE-2019-12173

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-12173?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)