CVE-2023-4402 Essential Blocks <= 4.2.0 - Unauthenticated PHP Object Injection via products
Unauthenticated attackers can inject PHP objects via deserialization, potentially leading to code execution or data exposure if a POP chain exists.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-4402?
CVE-2023-4402 is a high-severity unsafe deserialization vulnerability in wpdevteam Essential Blocks Pro, published on 20 Oct 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Essential Blocks plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 4.2.0 via deserialization of untrusted input in the get_products function. This allows unauthenticated attackers to inject a PHP Object. No POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.
Weakness: CWE-502
Which versions are affected by CVE-2023-4402?
It affects 2 products.
Products include Wpdeveloper Essential Blocks, Wpdeveloper Essential Blocks Pro.
How do I fix CVE-2023-4402?
No fix has been published for CVE-2023-4402 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2023-4402 being exploited?
There is no known exploitation of CVE-2023-4402 in the wild and no public exploit code.
Other vulnerabilities in wpdevteam Essential Blocks Pro
- 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-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
- CVE-2024-47385 WordPress Essential Blocks plugin <= 4.8.4 - Cross Site Scripting (XSS) vulnerability
Sources
Also known as GHSA-xxc8-gpg2-9w9f.