CVE-2026-28176CWE-502insecure-deserialization

CVE-2026-28176

High · published August 13, 2026

CVSS v3.1
8.8
EPSS
0%
Percentile
39.0
In the wild
Unconfirmed
What it is

Unauthenticated PHP Object Injection in Booking Activities <= 1.18.4 versions.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00461 · 39.0th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-08-13T18:16Z
References (1)
https://patchstack.com/database/wordpress/plugin/booking-activities/vulnerability/wordpress-booking-activities-plugin-1-18-4-php-object-injection-vulnerability?_s_id=cve · [email protected]
EPSS history
Timeline
  • 13 AUG 13:36Z
    WordPress Booking Activities plugin <= 1.18.4 - PHP Object Injection vulnerability
    cvelistv5