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Vulnerability record · CVE-2025-64353 · published 31 October 2025

CVE-2025-64353: Deserialization of untrusted data vulnerability

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

8.8 CVSS 3.1 High EPSS 0.34% · top 75.2% CWE-502 · Deserialization of untrusted data Deferred
8.8CVSS 3.1 base score
0.34%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

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

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

References

LinkTags
https://patchstack.com/database/Wordpress/Plugin/polylang/vulnerability/wordpress-polylang-plugin-3-7-3-deserialization-

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Source: NIST National Vulnerability Database (record CVE-2025-64353), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.