What is CVE-2023-4386?

CVE-2023-4386 is a high-severity vulnerability in Wpdevteam Essential Blocks Pro, classified under Deserialization of Untrusted Data. CVSS score: 8.1/10. Published 2023-10-20.

How severe is CVE-2023-4386?

High severity. CVSS v3 base score is 8.1 out of 10.

Is CVE-2023-4386 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Deserialization in Wpdevteam Essential Blocks Pro

CVE-2023-4386

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…

Vulnerability class: Insecure Deserialization

EPSS: 0.040 (88.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Wpdevteam Essential Blocks Pro — versions 0
Wpdevteam Gutenberg Essential Blocks – Page Builder For & Patterns — versions 0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

Public proof-of-concept exploits

20142995/nuclei-templates

References

Frequently asked questions

What is CVE-2023-4386?: CVE-2023-4386 is a high-severity vulnerability in Wpdevteam Essential Blocks Pro, classified under Deserialization of Untrusted Data. CVSS score: 8.1/10. Published 2023-10-20.
How severe is CVE-2023-4386?: High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2023-4386 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.