CVE-2025-66073

HIGH 7.2

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

CVSS Score

7.2

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-502
Vendor	cozmoslabs
Product	wp webhooks
Published	Nov 21, 2025
Last Updated	Apr 28, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Cozmoslabs / WP Webhooks

0 ≤ 3.3.8

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Phat RiO | Patchstack Bug Bounty Program