CVE-2023-4402
High
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.
SeverityHigh
CVSS8.1
Exploit probability—
Product
Wpdeveloper Essential Blocks
PublishedOct 20, 2023
First seenOct 20, 2023
Weakness typeCWE-502Deserialization of untrusted data
How to fix
Update
- wpdeveloper essential_blocks4.2.1 or later
- wpdeveloper essential_blocks_pro1.1.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| wpdeveloper essential_blocks | v < 4.2.1 | 4.2.1 |
| wpdeveloper essential_blocks_pro | v < 1.1.1 | 1.1.1 |
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