CVE-2023-2083 Essential Blocks <= 4.0.6 - Missing Authorization via save
Subscribers can modify plugin settings due to missing capability checks in the save function of the Essential Blocks WordPress 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-2023-2083?
CVE-2023-2083 is a medium-severity missing authorization vulnerability in wpdevteam Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns, published on 9 Jun 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Essential Blocks plugin for WordPress is vulnerable to unauthorized use of functionality due to a missing capability check on the save function in versions up to, and including, 4.0.6. This makes it possible for subscriber-level attackers to save plugin settings. While a nonce check is present, it is only executed when a nonce is provided. Not providing a nonce results in the nonce verification to be skipped. There is no capability check.
Weakness: CWE-862
Which versions are affected by CVE-2023-2083?
It affects 1 product.
Products include Wpdeveloper Essential Blocks.
How do I fix CVE-2023-2083?
No fix has been published for CVE-2023-2083 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-2023-2083 being exploited?
There is no known exploitation of CVE-2023-2083 in the wild and no public exploit code.
Other vulnerabilities in wpdevteam Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns
- CVE-2023-6623 Essential Blocks < 4.4.3 - Unauthenticated Local File Inclusion
- CVE-2023-4386 Essential Blocks <= 4.2.0 - Unauthenticated PHP Object Injection via queries
- CVE-2023-4402 Essential Blocks <= 4.2.0 - Unauthenticated PHP Object Injection via products
- CVE-2022-47594 WordPress Essential Blocks for Gutenberg plugin <= 3.8.5 - Broken Access Control
- CVE-2023-51360 WordPress Essential Blocks plugin <= 4.2.0 - Multiple Subscriber+ Broken Access Control vulnerability
Sources
Also known as GHSA-qhh4-5cqj-p582.