CVE-2026-28176

HighCVSS 8.8

Published: 13/08/2026(UTC)Updated: 14/08/2026(UTC)Translated: 13/08/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.31%

24th percentile - higher than 24% of all known CVEs

Summary

Booking Activities plugin versions up to 1.18.4 contain an unauthenticated PHP Object Injection vulnerability. An attacker without authentication can inject malicious PHP objects.

Risk Assessment

The risk includes remote code execution or unauthorized system access, potentially leading to full compromise.

Recommendation

Immediately update the Booking Activities plugin to the latest version that fixes this vulnerability.

Original NVD description (English source)

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