CVE-2021-34626 WP Upload Restriction <= 2.2.3 - Missing Access Control in deleteCustomType function
Low-level authenticated users can delete administrator-defined custom file extensions due to missing access control in the WP Upload Restriction 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-2021-34626?
CVE-2021-34626 is a medium-severity missing authorization vulnerability in WP Upload Restriction, published on 7 Jul 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability in the deleteCustomType function of the WP Upload Restriction WordPress plugin allows low-level authenticated users to delete custom extensions added by administrators. This issue affects versions 2.2.3 and prior.
Weakness: CWE-284
Which versions are affected by CVE-2021-34626?
It affects 1 product.
Products include Wp-Upload-Restriction Project Wp-Upload-Restriction.
How do I fix CVE-2021-34626?
No fix has been published for CVE-2021-34626 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-2021-34626 being exploited?
There is no known exploitation of CVE-2021-34626 in the wild and no public exploit code.
Other vulnerabilities in WP Upload Restriction
Sources
Also known as GHSA-2935-f8mx-xc5w.