Vulnerability · Published Nov 21, 2025 · Assigned by Patchstack

CVE-2025-66073WordPress WP Webhooks plugin <= 3.3.8 - PHP Object Injection vulnerability

High 7.2

In plain English

A high-severity unsafe deserialization in WP Webhooks from Cozmoslabs. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).

Severity (CVSS 3.1)7.2High
Exploit odds (30 days)0.5%top 59.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Cozmoslabs WP Webhooks 0 – through 3.3.8

Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References