XSS in Notable

CVE-2020-16608

Notable 1.8.4 allows XSS via crafted Markdown text, with resultant remote code execution (because nodeIntegration in webPreferences is true).

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.043 (90.2th 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

Notable — versions 1.8.4
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

doyensec/awesome-electronjs-hacking

References

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

Frequently asked questions

What is CVE-2020-16608?: CVE-2020-16608 is a critical-severity vulnerability in Notable, classified under Cross-site Scripting. CVSS score: 9.6/10. Published 2020-12-10.
How severe is CVE-2020-16608?: Critical severity. CVSS v3 base score is 9.6 out of 10.
Is CVE-2020-16608 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.