CVE-2021-24633 Countdown Block < 1.1.2 - Missing Authorisation in AJAX action
Authenticated users can modify post contents via an unauthenticated AJAX action due to missing authorization checks in the Countdown Block 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-2021-24633?
CVE-2021-24633 is a medium-severity missing authorization vulnerability in Unknown Countdown Block, published on 27 Sep 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Countdown Block WordPress plugin before 1.1.2 does not have authorisation in the eb_write_block_css AJAX action, which allows any authenticated user, such as Subscriber, to modify post contents displayed to users.
Weakness: CWE-862
Which versions are affected by CVE-2021-24633?
It affects 1 product.
Products include Wpdeveloper Countdown Block.
How do I fix CVE-2021-24633?
No fix has been published for CVE-2021-24633 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-2021-24633 being exploited?
There is no known exploitation of CVE-2021-24633 in the wild and no public exploit code.
Sources
Also known as GHSA-3qwq-8wfq-2pfc.