What is CVE-2019-20374?

CVE-2019-20374 is a critical-severity vulnerability in Apple Macos, classified under Cross-site Scripting. CVSS score: 9.6/10. Published 2020-01-09.

How severe is CVE-2019-20374?

Critical severity. CVSS v3 base score is 9.6 out of 10.

XSS in Apple Macos

CVE-2019-20374

A mutation cross-site scripting (XSS) issue in Typora through 0.9.9.31.2 on macOS and through 0.9.81 on Linux leads to Remote Code Execution through Mermaid code blocks. To exploit this vulnerability, one must open a file in Typora. The XS…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.023 (81.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-20374?: CVE-2019-20374 is a critical-severity vulnerability in Apple Macos, classified under Cross-site Scripting. CVSS score: 9.6/10. Published 2020-01-09.
How severe is CVE-2019-20374?: Critical severity. CVSS v3 base score is 9.6 out of 10.