CVE-2025-64353
WordPress Polylang plugin <= 3.7.3 - Deserialization of untrusted data vulnerability
HIGH
8.8
CVSS Score
Published: October 31, 2025 at 11:42 AM UTC
Updated: June 17, 2026 at 09:54 AM UTC
1 product affected across 1 vendorPolylang
Using Polylang by Chouby?
Get instant alerts when new vulnerabilities affect Polylang - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
HIGH8.8
Exploit prediction
EPSS 0.4%
SSVC
No known exploit
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 guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (3)
SSVC — Action Prioritization
SSVCNo known exploitNot automatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
8.8HIGHPatchstack
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusDEFERRED
CWE
CWE-502
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card