CVE-2023-5718 Information disclosure in Vue.js devtools
A malicious web page can steal sensitive screenshot data from the Vue.js Devtools extension via postMessage, exposing local or sensitive resources.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-5718?
CVE-2023-5718 is a medium-severity vulnerability in Vue.js devtools, published on 23 Oct 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The Vue.js Devtools extension was found to leak screenshot data back to a malicious web page via the standard `postMessage()` API. By creating a malicious web page with an iFrame targeting a sensitive resource (i.e. a locally accessible file or sensitive website), and registering a listener on the web page, the extension sent messages back to the listener, containing the base64 encoded screenshot data of the sensitive resource.
Which versions are affected by CVE-2023-5718?
It affects 1 product.
Products include Vuejs Devtools.
How do I fix CVE-2023-5718?
No fix has been published for CVE-2023-5718 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-5718 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-5718 exists.
Sources
Also known as GHSA-hch9-gprw-2g9j.