Vulnerability 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_posts 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Wpdeveloper | Essential Blocks | <= 4.2.0 |
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/browser/essential-blocks/trunk/includes/API/PProduct
- https://www.wordfence.com/threat-intel/vulnerabilities/id/af468f83-d6ad-474c-bf7Third Party Advisory
- https://plugins.trac.wordpress.org/browser/essential-blocks/trunk/includes/API/PProduct
- https://www.wordfence.com/threat-intel/vulnerabilities/id/af468f83-d6ad-474c-bf7Third Party Advisory
FAQ
What is CVE-2023-4386?
CVE-2023-4386 is a vulnerability with a CVSS score of 8.1 (HIGH). 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_posts function. This allows un...
How severe is CVE-2023-4386?
CVE-2023-4386 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-4386?
Check the references section above for vendor advisories and patch information. Affected products include: Wpdeveloper Essential Blocks.