plugin

Flexible Subscriptions Vulnerabilities

1 known security issue reported for the Flexible Subscriptions WordPress plugin. Most recent disclosed Aug 19, 2026.

1 high

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Flexible Subscriptions <= 1.8.1 - Authenticated (Customer+) PHP Object Injection

high

The Flexible Subscriptions plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.8.1. This is due to deserialization of untrusted input. This makes it possible for authenticated attackers, with customer-level access and above, to inject a PHP Object. No known POP chain is pr...

CVSS:
7.5
Affected:
up to 1.8.1
Fixed in:
1.8.2
Disclosed:
Aug 19, 2026

CVE-2026-73364 on NVD →

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