CVE-2023-2317

High

Description

DOM-based XSS in updater/update.html in Typora before 1.6.7 on Windows and Linux allows a crafted markdown file to run arbitrary JavaScript code in the context of Typora main window via loading typora://app/typemark/updater/update.html in <embed> tag. This vulnerability can be exploited if a user opens a malicious markdown file in Typora, or copies text from a malicious webpage and paste it into Typora.

SeverityHigh

CVSS8.6

Exploit probability—

ProductTypora

PublishedAug 19, 2023

First seenAug 19, 2023

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

typora typora1.6.7 or later

Vendor advisories

support.typora.io/What's-New-1.6/

Affected products

Product	Affected versions	Fixed in
typora typora	v < 1.6.7	1.6.7

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