CVE-2026-28176: high-severity vulnerability in Booking Activities
WordPress Booking Activities plugin <= 1.18.4 - PHP Object Injection vulnerability
Published
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.8epss 0.5%
exploitation probability
0.5%top 61% of all CVEs
observed exploitation
nono source reports it
Unauthenticated PHP Object Injection in Booking Activities <= 1.18.4 versions.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
Booking Activities Team · Booking ActivitiesRelated CVEs — Booking Activities
In the same product, most dangerous first.
CVE-2025-67953HIGHWordPress Booking Activities plugin <= 1.16.44 - Privilege Escalation vulnerabilityEPSS 0.4%CVE-2026-97248CRITICALWordPress Booking Activities plugin <= 1.18.7.1 - PHP Object Injection vulnerabilityEPSS 0.4%CVE-2024-30449HIGHWordPress Booking Activities plugin <= 1.15.19 - Cross Site Scripting (XSS) vulnerabilityEPSS 0.4%CVE-2026-39525MEDIUMWordPress Booking Activities plugin <= 1.16.48.1 - Broken Access Control vulnerabilityEPSS 0.3%