CVE-2024-3564 Content Blocks (Custom Post Widget) <= 3.3.0 - Authenticated (Contributor+) Local File Inclusion via Shortcode
Authenticated contributors can exploit a shortcode to include and execute arbitrary files, leading to code execution or data disclosure.
- 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-2024-3564?
CVE-2024-3564 is a high-severity path traversal vulnerability in vanderwijk Content Blocks (Custom Post Widget), published on 1 Jun 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Content Blocks (Custom Post Widget) plugin for WordPress is vulnerable to Local File Inclusion in all versions up to, and including, 3.3.0 via the plugin's 'content_block' shortcode. This makes it possible for authenticated attackers, with contributor-level access and above, to include and execute arbitrary files on the server, allowing the execution of any PHP code in those files. This can be used to bypass access controls, obtain sensitive data, or achieve code execution in cases where images and other “safe” file types can be uploaded and included.
Which versions are affected by CVE-2024-3564?
It affects 1 product.
Products include Vanderwijk Content Blocks.
How do I fix CVE-2024-3564?
No fix has been published for CVE-2024-3564 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2024-3564 being exploited?
There is no known exploitation of CVE-2024-3564 in the wild and no public exploit code.
Other vulnerabilities in vanderwijk Content Blocks (Custom Post Widget)
- CVE-2024-44051 WordPress Content Blocks (Custom Post Widget) plugin <= 3.3.5 - Cross Site Scripting (XSS) vulnerability
- CVE-2024-34566 WordPress Content Blocks (Custom Post Widget) plugin <= 3.3.0 - Cross Site Scripting (XSS) vulnerability
- CVE-2024-6432 Cross-site scripting in Content Blocks (Custom Post Widget)
- CVE-2024-3565 Cross-site scripting in Content Blocks (Custom Post Widget)
Sources
Also known as GHSA-86r4-42m6-45m9.