CVE-2025-66073

WordPress WP Webhooks plugin <= 3.3.8 - PHP Object Injection vulnerability

State: Published
Severity: 7.2 High
Published: Nov 21, 2025
Updated: Apr 28, 2026
Reserved: Nov 21, 2025

Description

Deserialization of Untrusted Data vulnerability in Cozmoslabs WP Webhooks wp-webhooks allows Object Injection.This issue affects WP Webhooks: from n/a through <= 3.3.8.

Scores

CVSS	Score	Vector	Source
3.1	7.2 High	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	Patchstack

Weaknesses

CWE-502 Deserialization of Untrusted Data

Affected Products

Product	Versions
WP WebhooksCozmoslabs	3.3.8 and earlierAffectedfrom 3.3.9Not affected

References

https://patchstack.com/database/Wordpress/Plugin/wp-webhooks/vulnerability/wordpress-wp-webhooks-plugin-3-3-8-php-object-injection-vulnerability?_s_id=cvevdb-entry

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