CVE-2025-64353

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

Published Nov 5, 2025

https://vdp.patchstack.com/database/Wordpress/Plugin/polylang/vulnerability/wordpress-polylang-plugin-3-7-3-deserialization-of-untrusted-data-vulnerability

CVSS ScoreHigh

8.8

Ecosystem	Package	Version

Ecosystem	Package	Version

Vulnerabilities

CVE-2025-64353

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

Published Nov 5, 2025

https://vdp.patchstack.com/database/Wordpress/Plugin/polylang/vulnerability/wordpress-polylang-plugin-3-7-3-deserialization-of-untrusted-data-vulnerability

CVSS ScoreHigh

8.8


composer	wpsyntex/polylang	2.8-beta1
composer	wpsyntex/polylang	2.8-beta2
composer	wpsyntex/polylang	2.8-rc1
composer	wpsyntex/polylang	2.8.1
composer	wpsyntex/polylang	2.8.2
composer	wpsyntex/polylang	2.8.3
composer	wpsyntex/polylang	2.8.4
composer	wpsyntex/polylang	2.8
composer	wpsyntex/polylang	2.9-beta1
composer	wpsyntex/polylang	2.9-rc1
composer	wpsyntex/polylang	2.9.1
composer	wpsyntex/polylang	2.9.2
composer	wpsyntex/polylang	2.9
composer	wpsyntex/polylang	3.0-beta1
composer	wpsyntex/polylang	3.0-rc1
composer	wpsyntex/polylang	3.0.1
composer	wpsyntex/polylang	3.0.2
composer	wpsyntex/polylang	3.0.3
composer	wpsyntex/polylang	3.0.4
composer	wpsyntex/polylang	3.0.5
composer	wpsyntex/polylang	3.0.6
composer	wpsyntex/polylang	3.0
composer	wpsyntex/polylang	3.1-beta1
composer	wpsyntex/polylang	3.1-beta2
composer	wpsyntex/polylang	3.1-rc1
composer	wpsyntex/polylang	3.1.1
composer	wpsyntex/polylang	3.1.2
composer	wpsyntex/polylang	3.1.3
composer	wpsyntex/polylang	3.1.4
composer	wpsyntex/polylang	3.1
composer	wpsyntex/polylang	3.2-beta1
composer	wpsyntex/polylang	3.2.1
composer	wpsyntex/polylang	3.2.2
composer	wpsyntex/polylang	3.2.3
composer	wpsyntex/polylang	3.2.4
composer	wpsyntex/polylang	3.2.5
composer	wpsyntex/polylang	3.2.6
composer	wpsyntex/polylang	3.2.7
composer	wpsyntex/polylang	3.2.8
composer	wpsyntex/polylang	3.2
composer	wpsyntex/polylang	3.3-beta1
composer	wpsyntex/polylang	3.3-beta2
composer	wpsyntex/polylang	3.3.1
composer	wpsyntex/polylang	3.3.2
composer	wpsyntex/polylang	3.3.3
composer	wpsyntex/polylang	3.3
composer	wpsyntex/polylang	3.4-beta1
composer	wpsyntex/polylang	3.4-beta2
composer	wpsyntex/polylang	3.4.1
composer	wpsyntex/polylang	3.4.2

Ecosystem	Package	Version


composer	wpsyntex/polylang	2.8-beta1
composer	wpsyntex/polylang	2.8-beta2
composer	wpsyntex/polylang	2.8-rc1
composer	wpsyntex/polylang	2.8.1
composer	wpsyntex/polylang	2.8.2
composer	wpsyntex/polylang	2.8.3
composer	wpsyntex/polylang	2.8.4
composer	wpsyntex/polylang	2.8
composer	wpsyntex/polylang	2.9-beta1
composer	wpsyntex/polylang	2.9-rc1
composer	wpsyntex/polylang	2.9.1
composer	wpsyntex/polylang	2.9.2
composer	wpsyntex/polylang	2.9
composer	wpsyntex/polylang	3.0-beta1
composer	wpsyntex/polylang	3.0-rc1
composer	wpsyntex/polylang	3.0.1
composer	wpsyntex/polylang	3.0.2
composer	wpsyntex/polylang	3.0.3
composer	wpsyntex/polylang	3.0.4
composer	wpsyntex/polylang	3.0.5
composer	wpsyntex/polylang	3.0.6
composer	wpsyntex/polylang	3.0
composer	wpsyntex/polylang	3.1-beta1
composer	wpsyntex/polylang	3.1-beta2
composer	wpsyntex/polylang	3.1-rc1
composer	wpsyntex/polylang	3.1.1
composer	wpsyntex/polylang	3.1.2
composer	wpsyntex/polylang	3.1.3
composer	wpsyntex/polylang	3.1.4
composer	wpsyntex/polylang	3.1
composer	wpsyntex/polylang	3.2-beta1
composer	wpsyntex/polylang	3.2.1
composer	wpsyntex/polylang	3.2.2
composer	wpsyntex/polylang	3.2.3
composer	wpsyntex/polylang	3.2.4
composer	wpsyntex/polylang	3.2.5
composer	wpsyntex/polylang	3.2.6
composer	wpsyntex/polylang	3.2.7
composer	wpsyntex/polylang	3.2.8
composer	wpsyntex/polylang	3.2
composer	wpsyntex/polylang	3.3-beta1
composer	wpsyntex/polylang	3.3-beta2
composer	wpsyntex/polylang	3.3.1
composer	wpsyntex/polylang	3.3.2
composer	wpsyntex/polylang	3.3.3
composer	wpsyntex/polylang	3.3
composer	wpsyntex/polylang	3.4-beta1
composer	wpsyntex/polylang	3.4-beta2
composer	wpsyntex/polylang	3.4.1
composer	wpsyntex/polylang	3.4.2

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CVE-2025-64353

CVE-2025-64353