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_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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Wpdeveloper | Essential Blocks | < 4.2.1 |
| Wpdeveloper | Essential Blocks Pro | < 1.1.1 |
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/browser/essential-blocks/trunk/includes/API/PExploit
- https://www.wordfence.com/threat-intel/vulnerabilities/id/1ede7a25-9bb2-408e-b7fThird Party Advisory
- https://plugins.trac.wordpress.org/browser/essential-blocks/trunk/includes/API/PExploit
- https://www.wordfence.com/threat-intel/vulnerabilities/id/1ede7a25-9bb2-408e-b7fThird Party Advisory
FAQ
What is CVE-2023-4402?
CVE-2023-4402 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_products function. This allows...
How severe is CVE-2023-4402?
CVE-2023-4402 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-2023-4402?
Check the references section above for vendor advisories and patch information. Affected products include: Wpdeveloper Essential Blocks, Wpdeveloper Essential Blocks Pro.