CVE-2024-49362

Remote Code Execution on click of <a> Link in markdown preview

Published 14 Nov 2024Modified 17 Jun 2026CWE 94, 79

In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.6CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

GHSA7.7CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by GHSA (high).

Description

Joplin is a free, open source note taking and to-do application. Joplin-desktop has a vulnerability that leads to remote code execution (RCE) when a user clicks on an <a> link within untrusted notes. The issue arises due to insufficient sanitization of <a> tag attributes introduced by the Mermaid. This vulnerability allows the execution of untrusted HTML content within the Electron window, which has full access to Node.js APIs, enabling arbitrary shell command execution.

Affected packages and fixed versions

Source	Package	Fixed in
npm::GitHub Security Advisory npm	joplin	3.1.0

References

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