CVE-2021-24191 WP Maintenance Mode & Site Under Construction < 1.8.2 - Arbitrary Plugin Installation/Activation via Low Privilege User
Low-privilege users can install and activate arbitrary plugins via an unprotected AJAX action, potentially leading to remote code execution.
- 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-2021-24191?
CVE-2021-24191 is a high-severity missing authorization vulnerability in wp-buy WP Maintenance Mode & Site Under Construction, published on 14 May 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Low privileged users can use the AJAX action 'cp_plugins_do_button_job_later_callback' in the WP Maintenance Mode & Site Under Construction WordPress plugin before 1.8.2, to install any plugin (including a specific version) from the WordPress repository, as well as activate arbitrary plugin from then blog, which helps attackers install vulnerable plugins and could lead to more critical vulnerabilities like RCE.
Weakness: CWE-285
Which versions are affected by CVE-2021-24191?
It affects 1 product.
Products include Wpshopmart Coming Soon Page \& Maintenance Mode.
How do I fix CVE-2021-24191?
No fix has been published for CVE-2021-24191 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-2021-24191 being exploited?
There is no known exploitation of CVE-2021-24191 in the wild and no public exploit code.
Other vulnerabilities in wp-buy WP Maintenance Mode & Site Under Construction
Sources
Also known as GHSA-cpf3-gq5c-48p5.