What is CVE-2023-36381?

CVE-2023-36381 is a medium-severity vulnerability in Gesundheit-Bewegt Zippy, classified under Deserialization of Untrusted Data. CVSS score: 6.6/10. Published 2023-12-28.

How severe is CVE-2023-36381?

Medium severity. CVSS v3 base score is 6.6 out of 10.

Is CVE-2023-36381 known to be exploited?

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

Deserialization in Gesundheit-Bewegt Zippy

CVE-2023-36381

Deserialization of Untrusted Data vulnerability in Gesundheit Bewegt GmbH Zippy.This issue affects Zippy: from n/a through 1.6.5.

Vulnerability class: Insecure Deserialization

Published 2023-12-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.005 (38.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

Public proof-of-concept exploits

References

patchstack.com/database/vulnerability/zippy/wordpress-zippy-plugin-1-6-3-php-ob… (Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2023-36381?: CVE-2023-36381 is a medium-severity vulnerability in Gesundheit-Bewegt Zippy, classified under Deserialization of Untrusted Data. CVSS score: 6.6/10. Published 2023-12-28.
How severe is CVE-2023-36381?: Medium severity. CVSS v3 base score is 6.6 out of 10.
Is CVE-2023-36381 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.