What is CVE-2023-4402?

CVE-2023-4402 is a high-severity vulnerability in Wpdeveloper Essential_blocks, classified under Deserialization of Untrusted Data. CVSS score: 8.1/10. Published 2023-10-20.

How severe is CVE-2023-4402?

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

Is CVE-2023-4402 known to be exploited?

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

Deserialization in Wpdeveloper Essential_blocks

CVE-2023-4402

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…

Vulnerability class: Insecure Deserialization

EPSS: 0.013 (68.2th 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

Wpdeveloper Essential_blocks
Wpdeveloper Essential_blocks_pro
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

security@wordfence.com (Third Party Advisory)
security@wordfence.com (Exploit)

Frequently asked questions

What is CVE-2023-4402?: CVE-2023-4402 is a high-severity vulnerability in Wpdeveloper Essential_blocks, classified under Deserialization of Untrusted Data. CVSS score: 8.1/10. Published 2023-10-20.
How severe is CVE-2023-4402?: High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2023-4402 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.