CVE-2022-40276
Last modified
CVE-2022-40276 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.36% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Zettlr | Zettlr | 2.3.0 |
References
- https://fluidattacks.com/advisories/avicii/Exploit, Third Party Advisory
- https://github.com/Zettlr/ZettlrProduct, Third Party Advisory
- https://fluidattacks.com/advisories/avicii/Exploit, Third Party Advisory
- https://github.com/Zettlr/ZettlrProduct, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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