What is CVE-2023-27459?

CVE-2023-27459 is a high-severity vulnerability in Wpeverest User Registration, classified under Deserialization of Untrusted Data. CVSS score: 7.4/10. Published 2024-03-26.

How severe is CVE-2023-27459?

High severity. CVSS v3 base score is 7.4 out of 10.

Is CVE-2023-27459 known to be exploited?

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

Deserialization in Wpeverest User Registration

CVE-2023-27459

Deserialization of Untrusted Data vulnerability in WPEverest User Registration.This issue affects User Registration: from n/a through 2.3.2.1.

Vulnerability class: Insecure Deserialization

Published 2024-03-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.006 (49.3th percentile), scored 2026-11-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

Public proof-of-concept exploits

20142995/nuclei-templates

References

patchstack.com/database/vulnerability/user-registration/wordpress-user-registra… (Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2023-27459?: CVE-2023-27459 is a high-severity vulnerability in Wpeverest User Registration, classified under Deserialization of Untrusted Data. CVSS score: 7.4/10. Published 2024-03-26.
How severe is CVE-2023-27459?: High severity. CVSS v3 base score is 7.4 out of 10.
Is CVE-2023-27459 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.