CVE-2020-35717 Cross-site scripting in n/a
Attackers can execute arbitrary code via XSS in crafted notes due to enabled node integration in the Zonote desktop application.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-35717?
CVE-2020-35717 is a critical cross-site scripting vulnerability in n/a, published on 1 Jan 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
zonote through 0.4.0 allows XSS via a crafted note, with resultant Remote Code Execution (because nodeIntegration in webPreferences is true).
Weakness: CWE-79
Which versions are affected by CVE-2020-35717?
It affects 1 product.
Products include Electronjs Zonote.
How do I fix CVE-2020-35717?
No fix has been published for CVE-2020-35717 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2020-35717 being exploited?
There is no known exploitation of CVE-2020-35717 in the wild and no public exploit code.
Public exploit code: 2 proofs of concept on GitHub.
Sources
Also known as GHSA-r776-v6gr-rxfh.