Deserialization Vulnerability in Polylang Plugin by Chouby
CVE-2025-64353

8.8HIGH

Key Information:

Vendor

WordPress
Status
Polylang
Vendor
CVE Published:
31 October 2025

What is CVE-2025-64353?

The Polylang plugin by Chouby is susceptible to a deserialization of untrusted data vulnerability, which enables object injection. This flaw affects all versions prior to 3.7.3, allowing attackers to exploit the plugin's functionality, potentially leading to unauthorized access and manipulation of sensitive data within WordPress sites.

Affected Version(s)

Polylang <= n/a

References

https://vdp.patchstack.com/database/Wordpress/Plugin/poly...
vdb-entry

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Phat RiO - BlueRock | Patchstack Bug Bounty Program
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CVE-2025-64353 : Deserialization Vulnerability in Polylang Plugin by Chouby