CVE-2025-64353

WordPress Polylang plugin <= 3.7.3 - Deserialization of untrusted data vulnerability

Published Oct 31, 2025 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
Deserialization of Untrusted Data vulnerability in Chouby Polylang polylang allows Object Injection.This issue affects Polylang: from n/a through <= 3.7.3.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Wordpress
Wordpress wordpress
Vendors & Products Wordpress
Wordpress wordpress
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Deserialization of Untrusted Data vulnerability in Chouby Polylang polylang allows Object Injection.This issue affects Polylang: from n/a through <= 3.7.3.
Title WordPress Polylang plugin <= 3.7.3 - Deserialization of untrusted data vulnerability
Weaknesses CWE-502
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Apr 28, 2026, 6:30 PM
Reserved
Oct 31, 2025, 11:23 AM
Status
Deferred
Published
Oct 31, 2025, 12:15 PM
Modified
Jun 17, 2026, 9:54 AM