CVE-2023-34092

Vite provides frontend tooling. Prior to versions 2.9.16, 3.2.7, 4.0.5, 4.1.5, 4.2.3, and 4.3.9, Vite Server Options (`server.fs.deny`) can be bypassed using double forward-slash (//) allows any unauthenticated user to read file from the Vite root-path of the application including the default `fs.deny` settings (`['.env', '.env.*', '*.{crt,pem}']`). Only users explicitly exposing the Vite dev server to the network (using `--host` or `server.host` config option) are affected, and only files in the immediate Vite project root folder could be exposed. This issue is fixed in [email protected], [email protected], [email protected], [email protected], [email protected], and [email protected].

We have discovered 378 live websites that are affected by CVE-2023-34092.

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Affected Software

Product	Vite
Category	Dev Tools
Vulnerable Domains	378 live websites (48% of Vite install base)
Vulnerable Versions	from 0 through 2.9.16 from 3.0.2 through 3.2.7 from 4 through 4.0.5 from 4.1 through 4.1.5 from 4.2 through 4.2.3 from 4.3 through 4.3.9
Vulnerable Versions Count	31 versions ( 66% of all versions)