CVE-2024-34341 The Trix Editor Contains an Arbitrary Code Execution Vulnerability

Medium 5.4 Published Updated

Attackers can execute arbitrary code by tricking users into pasting malicious markup into the Trix rich text editor.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2024-34341?

CVE-2024-34341 is a medium-severity cross-site scripting vulnerability in basecamp trix, published on 7 May 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Trix is a rich text editor. The Trix editor, versions prior to 2.1.1, is vulnerable to arbitrary code execution when copying and pasting content from the web or other documents with markup into the editor. The vulnerability stems from improper sanitization of pasted content, allowing an attacker to embed malicious scripts which are executed within the context of the application. Users should upgrade to Trix editor version 2.1.1 or later, which incorporates proper sanitization of input from copied content.

Weakness: CWE-79

Which versions are affected by CVE-2024-34341?

8 open source packages ship an affected version, including trix and actiontext.

PackageAffectedFixed in
trix npmFrom 0.9.01.3.2
trix npmFrom 0.9.01.3.2
trix npmFrom 2.0.02.1.1
trix npmFrom 2.0.02.1.1
actiontext RubyGemsFrom 7.0.0.alpha17.0.8.3
actiontext RubyGemsFrom 7.0.0.alpha17.0.8.3
2 more packages
actiontext RubyGemsFrom 7.1.0.beta17.1.3.3
actiontext RubyGemsFrom 7.1.0.beta17.1.3.3
Linux distribution packages (1)
rubygem-actiontext-7.0 openSUSE:TumbleweedAll versions7.0.8.4-1.1

How do I fix CVE-2024-34341?

Upgrade trix to a fixed version for your release line: 1.3.2 or 2.1.1.

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-2024-34341 being exploited?

There is no known exploitation of CVE-2024-34341 in the wild and no public exploit code.

Sources

Also known as GHSA-qjqp-xr96-cj99, openSUSE-SU-2024:14068-1.

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