What is CVE-2025-64353?

CVE-2025-64353 is a high-severity vulnerability in Chouby Polylang, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2025-10-31.

How severe is CVE-2025-64353?

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

Deserialization in Chouby Polylang

CVE-2025-64353

Deserialization of Untrusted Data vulnerability in Chouby Polylang polylang allows Object Injection.This issue affects Polylang: from n/a through <= 3.7.3.

Vulnerability class: Insecure Deserialization

EPSS: 0.003 (25.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Chouby Polylang — versions 0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2025-64353?: CVE-2025-64353 is a high-severity vulnerability in Chouby Polylang, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2025-10-31.
How severe is CVE-2025-64353?: High severity. CVSS v3 base score is 8.8 out of 10.