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CVE-2024-43368 Detail

Description

The Trix editor, versions prior to 2.1.4, is vulnerable to XSS when pasting malicious code. This vulnerability is a bypass of the fix put in place for GHSA-qjqp-xr96-cj99. In pull request 1149, sanitation was added for Trix attachments with a `text/html` content type. However, Trix only checks the content type on the paste event's `dataTransfer` object. As long as the `dataTransfer` has a content type of `text/html`, Trix parses its contents and creates an `Attachment` with them, even if the attachment itself doesn't have a `text/html` content type. Trix then uses the attachment content to set the attachment element's `innerHTML`. An attacker could trick a user to copy and paste malicious code that would execute arbitrary JavaScript code within the context of the user's session, potentially leading to unauthorized actions being performed or sensitive information being disclosed. This vulnerability was fixed in version 2.1.4.


Metrics

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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/basecamp/trix/commit/7656f578af0d03141a72a9d27cb3692e6947dae6
https://github.com/basecamp/trix/pull/1149
https://github.com/basecamp/trix/pull/1156
https://github.com/basecamp/trix/releases/tag/v2.1.4
https://github.com/basecamp/trix/security/advisories/GHSA-qjqp-xr96-cj99
https://github.com/basecamp/trix/security/advisories/GHSA-qm2q-9f3q-2vcv

Weakness Enumeration

CWE-ID CWE Name Source
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') GitHub, Inc.  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2024-43368
NVD Published Date:
08/14/2024
NVD Last Modified:
08/15/2024
Source:
GitHub, Inc.