Zettlr is a note-taking and knowledge-management application with a focused vulnerability footprint centered on input-handling weaknesses in web-page generation, particularly cross-site scripting and improper input validation issues. Current severity, exploitation activity, and exposure counts are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Zettlr over time
Signals from CVEs in this vendor scope (3 CVEs).
3 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2022-40276MEDIUM 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 poss | Nov 3, 2022 | 5.5 | 20 | NO | NO |
CVE-2021-26835MEDIUM No filtering of cross-site scripting (XSS) payloads in the markdown-editor in Zettlr 1.8.7 allows attackers to perform remote code execution via a crafted file. | Jun 18, 2021 | 6.1 | 20 | NO | NO |
CVE-2021-20727MEDIUM Cross-site scripting vulnerability in Zettlr from 0.20.0 to 1.8.8 allows an attacker to execute an arbitrary script by loading a file or code snippet containing an invalid iframe i | May 27, 2021 | 6.1 | 20 | NO | NO |
Signals from CVEs in this vendor scope (3 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Zettlr.
Media articles that mention a CVE ID that affects a product developed by Zettlr — matched by CVE ID, not by vendor name.