CVE-2020-16608

Name: CVE-2020-16608
Creator: NVD / NIST
Published: 2020-12-10T23:15:11.397+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.6/10EPSS 4.34%

Last modified Jun 17, 2026

CVE-2020-16608 is a critical-severity vulnerability rated 9.6/10 on the CVSS scale. Notable 1.8.4 allows XSS via crafted Markdown text, with resultant remote code execution (because nodeIntegration in webPreferences is true).. EPSS estimates a 4.34% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

9.6/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

EPSS Probability

4.34%

90.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Notable	Notable	1.8.4

References

https://github.com/notable/notableThird Party Advisory
https://sghosh2402.medium.com/cve-2020-16608-8cdad9f4d9b4Exploit, Third Party Advisory
https://github.com/notable/notableThird Party Advisory
https://sghosh2402.medium.com/cve-2020-16608-8cdad9f4d9b4Exploit, Third Party Advisory

Timeline

Published: Dec 10, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-16608?

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

How severe is CVE-2020-16608?

CVE-2020-16608 has a CVSS score of 9.6/10 (CRITICAL severity). The EPSS model estimates a 4.34% probability of exploitation in the next 30 days.

How do I fix CVE-2020-16608?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-16608?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST