What is CVE-2025-68853?

CVE-2025-68853 is a high-severity vulnerability in Kleor Contact Manager, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2026-02-20.

How severe is CVE-2025-68853?

High severity. CVSS v3 base score is 8.8 out of 10.

Deserialization in Kleor Contact Manager

CVE-2025-68853

Deserialization of Untrusted Data vulnerability in Kleor Contact Manager contact-manager allows Object Injection.This issue affects Contact Manager: from n/a through <= 9.1.1.

Vulnerability class: Insecure Deserialization

EPSS: 0.001 (18.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Kleor Contact Manager — versions 0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

patchstack.com/database/Wordpress/Plugin/contact-manager/vulnerability/wordpres… (vdb-entry)

Frequently asked questions

What is CVE-2025-68853?: CVE-2025-68853 is a high-severity vulnerability in Kleor Contact Manager, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2026-02-20.
How severe is CVE-2025-68853?: High severity. CVSS v3 base score is 8.8 out of 10.