XSS in Electronjs Zonote

CVE-2020-35717

zonote through 0.4.0 allows XSS via a crafted note, with resultant Remote Code Execution (because nodeIntegration in webPreferences is true).

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.038 (88.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-35717?
CVE-2020-35717 is a critical-severity vulnerability in Electronjs Zonote, classified under Cross-site Scripting. CVSS score: 9.0/10. Published 2021-01-01.
How severe is CVE-2020-35717?
Critical severity. CVSS v3 base score is 9.0 out of 10.
Is CVE-2020-35717 known to be exploited?
7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.