CVE-2023-2021 Cross-site Scripting (XSS) - Stored in nilsteampassnet/teampass

Medium 5.8 Published Updated

Stored XSS in TeamPass allows attackers to inject malicious scripts, potentially leading to session hijacking or code execution.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2023-2021?

CVE-2023-2021 is a medium-severity cross-site scripting vulnerability in Teampass Teampass, published on 13 Apr 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Cross-site Scripting (XSS) - Stored in GitHub repository nilsteampassnet/teampass prior to 3.0.3.

Weakness: CWE-79

Which versions are affected by CVE-2023-2021?

2 open source packages ship an affected version, including nilsteampassnet/teampass. It affects 1 product.

PackageAffectedFixed in
nilsteampassnet/teampass PackagistAll versions3.0.3
nilsteampassnet/teampass PackagistAll versions3.0.3

Products include Teampass Teampass.

How do I fix CVE-2023-2021?

Upgrade nilsteampassnet/teampass to 3.0.3 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-2023-2021 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-2021 exists.

All Teampass Teampass vulnerabilities

Sources

Also known as GHSA-4h2q-84w7-4mhx.

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