CVE Catalog

CVE-2026-73364

CriticalCVSS 9.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.31%

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

Summary

PHP Object Injection vulnerability in Flexible Subscriptions plugin versions up to and including 1.8.1. Allows an attacker to inject malicious PHP objects, potentially leading to unauthorized access or code execution.

Risk Assessment

Risk includes potential takeover of the WordPress site, data theft, or privilege escalation. The attack may be performed without authentication if the vulnerable endpoint is publicly accessible.

Recommendation

Immediately update the Flexible Subscriptions plugin to a version newer than 1.8.1. Also check logs for suspicious requests.

Related vulnerabilities

Original NVD description (English source)

Customer PHP Object Injection in Flexible Subscriptions <= 1.8.1 versions.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS