CVE-2025-64353 HIGH

CVE-2025-64353: WordPress Polylang plugin <= 3.7.3 - Deserialization of untrusted data vulnerability

Vendor Chouby
Product Polylang
Weakness CWE-502 · Unsafe deserialization
Published October 31, 2025
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

October 31, 2025 CVE published
April 28, 2026 Record updated