CVE-2021-24790 Contact Form Advanced Database <= 1.0.8 - Unauthorised AJAX Calls
Subscribers can delete arbitrary metadata and potentially execute code via PHP object injection due to missing authorization and CSRF checks in AJAX actions.
- 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-2021-24790?
CVE-2021-24790 is a medium-severity missing authorization vulnerability in Unknown Contact Form Advanced Database, published on 13 Dec 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Contact Form Advanced Database WordPress plugin through 1.0.8 does not have any authorisation as well as CSRF checks in its delete_cf7_data and export_cf7_data AJAX actions, available to any authenticated users, which could allow users with a role as low as subscriber to call them. The delete_cf7_data would lead to arbitrary metadata deletion, as well as PHP Object Injection if a suitable gadget chain is present in another plugin, as user data is passed to the maybe_unserialize() function without being first validated.
Which versions are affected by CVE-2021-24790?
It affects 1 product.
Products include Contact Form Advanced Database Project Contact Form Advanced Database.
How do I fix CVE-2021-24790?
No fix has been published for CVE-2021-24790 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-2021-24790 being exploited?
There is no known exploitation of CVE-2021-24790 in the wild and no public exploit code.
Sources
Also known as GHSA-3p9w-pv5h-crrp.