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CVE-2025-24028

7.8 · HIGH

Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks.

Published Feb 7, 2025CWE-79EPSS 0.52%

Overview

CVE-2025-24028 is a high-severity vulnerability. It was published on February 7, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. This vulnerability is caused by differences between how Joplin's HTML sanitizer handles comments and how the browser handles comments. This affects both the Rich Text Editor and the Markdown viewer. However, unlike the Rich Text Editor, the Markdown viewer is `cross-origin isolated`, which prevents JavaScript from directly accessing functions/variables in the toplevel Joplin `window`. This issue is not present in Joplin 3.1.24 and may have been introduced in `9b50539`. This is an XSS vulnerability that impacts users that open untrusted notes in the Rich Text Editor. This vulnerability has been addressed in version 3.2.12 and all users are advised to upgrade. There are no known workarounds for this vulnerability.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/laurent22/joplin/commit/2a058ed8097c2502e152b26394dc1917897f5817GitHubgithub.com/laurent22/joplin/commit/9b505395918bc923f34fe6f3b960bb10e8cf234eGitHubgithub.com/laurent22/joplin/security/advisories/GHSA-5w3c-wph9-hq92Refjoplinapp.org/help/dev/spec/note_viewer_isolationGitHubgithub.com/laurent22/joplin/security/advisories/GHSA-5w3c-wph9-hq92

How CyberStrike helps

Frequently asked questions

What is CVE-2025-24028?

CVE-2025-24028 is a high-severity vulnerability. It was published on February 7, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2025-24028?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-24028?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-24028?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-24028 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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