CVE-2022-40276 - Vulnerability Details - OpenCVE

Zettlr version 2.3.0 allows an external attacker to remotely obtain arbitrary local files on any client that attempts to view a malicious markdown file through Zettlr. This is possible because the application does not have a CSP policy (or at least not strict enough) and/or does not properly validate the contents of markdown files before rendering them.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00053.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Zettlr	Zettlr

Configuration 1 [-]

cpe:2.3:a:zettlr:zettlr:2.3.0:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2022-43574	Zettlr version 2.3.0 allows an external attacker to remotely obtain arbitrary local files on any client that attempts to view a malicious markdown file through Zettlr. This is possible because the application does not have a CSP policy (or at least not strict enough) and/or does not properly validate the contents of markdown files before rendering them.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://fluidattacks.com/advisories/avicii/
https://github.com/Zettlr/Zettlr

History

Fri, 02 May 2025 20:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: Fluid Attacks

Published: 2022-11-03T00:00:00.000Z

Updated: 2025-05-02T20:10:21.875Z

Reserved: 2022-09-08T00:00:00.000Z

Link: CVE-2022-40276

Vulnrichment

Updated: 2024-08-03T12:14:39.985Z

NVD

Status : Modified

Published: 2022-11-03T20:15:31.290

Modified: 2025-05-02T21:15:19.000

Link: CVE-2022-40276

Redhat

No data.

OpenCVE Enrichment

No data.

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