CVE-2022-35131 Joplin is vulnerable to arbitrary code execution

Critical 9.0 Published Updated

Attackers can execute arbitrary commands via crafted payloads in Node titles, requiring users to upgrade Joplin.

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
Available

What is CVE-2022-35131?

CVE-2022-35131 is a critical cross-site scripting vulnerability in n/a, published on 25 Jul 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Joplin v2.8.8 allows attackers to execute arbitrary commands via a crafted payload injected into the Node titles.

Weakness: CWE-79

Which versions are affected by CVE-2022-35131?

2 open source packages ship an affected version, including joplin. It affects 1 product.

PackageAffectedFixed in
joplin npmAll versions2.9.1
joplin npmAll versions2.9.1

Products include Joplinapp Joplin.

How do I fix CVE-2022-35131?

Upgrade joplin to 2.9.1 or later.

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-2022-35131 being exploited?

There is no known exploitation of CVE-2022-35131 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-ww2v-frv5-pj5x.

Is CVE-2022-35131 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free