CVE-2021-24635 Visual Link Preview < 2.2.3 - Unauthorised AJAX Calls
Authenticated users can access draft content, password-protected titles, and upload images via unauthorized AJAX calls in the Visual Link Preview plugin.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-24635?
CVE-2021-24635 is a medium-severity missing authorization vulnerability in Unknown Visual Link Preview, published on 20 Sep 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Visual Link Preview WordPress plugin before 2.2.3 does not enforce authorisation on several AJAX actions and has the CSRF nonce displayed for all authenticated users, allowing any authenticated user (such as subscriber) to call them and 1) Get and search through title and content of Draft post, 2) Get title of a password-protected post as well as 3) Upload an image from an URL
Which versions are affected by CVE-2021-24635?
It affects 1 product.
Products include Bootstrapped Visual Link Preview.
How do I fix CVE-2021-24635?
No fix has been published for CVE-2021-24635 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2021-24635 being exploited?
There is no known exploitation of CVE-2021-24635 in the wild and no public exploit code.
Sources
Also known as GHSA-23v9-8jvm-jh7q.