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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.038 (89.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.038 · newest: 0.038 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.electronjs.org/apps/zonote (Product, Third Party Advisory)
- github.com/zonetti/zonote (Product, Third Party Advisory)
- github.com/hmartos/cve-2020-35717 (Exploit, Third Party Advisory)
- medium.com/bugbountywriteup/remote-code-execution-through-cross-site-scripting-… (Exploit, Third Party Advisory)
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.