Flexible Subscriptions
Flexible Subscriptions has one disclosed vulnerability in the WordSec catalog, all reported in 2026; it is fixed as of August 2026. Their average CVSS score is 7.5, and the most serious one scores 7.5 out of 10. Severity breakdown: 0 critical and 1 high.
The most common weakness is Deserialization Of Untrusted Data, behind 1 of the records (100%).
The one issue recorded for Flexible Subscriptions has a vendor fix available, so running the current release closes it.
All of these findings were reported by Van Phuc. Flexible Subscriptions is installed on roughly 1,000 WordPress sites, so each unpatched flaw has a wide blast radius. The current release is tested up to WordPress 7.1.
CVE-2026-73364Flexible Subscriptions <= 1.8.1 - Authenticated (Customer+) PHP Object Injection
Read the full analysisVulnerability Records

Flexible Subscriptions
Author
wpdesk
woocommerce★★★★★ A free alternative to the WooCommerce Subscriptions plugin 💡 Fully compatible with the new WooCommerce Checkout Block! Flexible Subscriptions has been updated by our developers to fully support the latest WooCommerce checkout experience. Your subscription products now work smoothly with the new, faster, and conversion-optimized Checkout flow — no extra setup required. Stay compatible with upcoming WooCommerce features and updates. Sell subscriptions in WooCommerce easily Do you want to sell subscriptions in WooCommerce? The Flexible Subscriptions for WooCommerce plugin lets you: – Sell WooCommerce products as subscriptions (choose a simple or variable subscription) – Implement recurring payments in WooCommerce (including Stripe and PayPal) – Offer rental or service-based products with customized billing and shipping plans – Use multiple options with WooCommerce variable subscriptions Key features – Add both tangible and virtual subscription products in WooCommerce – Receive recurring payments and manage subscription renewals automatically – Use a free alternative to WooCommerce Subscriptions – Send email notifications for subscription renewals and expirations – Offer promotions and coupon discounts for subscriptions – Set flexible billing cycles (daily, weekly, monthly, yearly) – Add a sign-up fee or a free trial period – Automatically remove subscriptions when a user account is deleted – Mandatory user registration when purchasing a subscription Advanced options – See all subscriptions on a clear list (status, items, next payments, start/trial/end dates, related orders) – Manage or edit a subscription easily (send notes, change status, payment method, etc.) – Customize button texts: “Add to cart” and “Place order” – Adjust payment frequency and shipping rules (one-time or recurring shipping) – Set expiration dates, billing limits, and more Screenshots → Add-ons for even more flexibility Extend the free core plugin with optional premium add-ons: – Flexible Subscriptions Recurring Shipping – manage shipping separately from billing cycles – Flexible Subscriptions Payment Retry – automatic retries and email notifications after failed payments – Flexible Subscriptions Stock Management – cancel subscriptions based on product stock – Flexible Subscriptions One-Time Payment – enable subscriptions only for selected product variations (size, version, or flavor) – Flexible Subscriptions – API Integration – manage subscriptions from your own systems with direct JSON access to data, orders, and notes – Flexible Subscriptions – Emails – automatically send transactional emails about renewals and subscription status changes to customers and administrators 🛠 Easy setup – no coding required Install the plugin and activate it. Add or edit a WooCommerce product. Select “Simple Subscription” or “Variable Subscription” as the product type. Set subscription prices, billing intervals, expiration, and optional trial or sign-up fee. Publish – and start selling subscriptions instantly! 📚 Documentation & Support Find full documentation here → plugin documentation. For support requests, please use the official plugin forums at WP.org. If you need faster support, consider purchasing All Plugins Bundle to get more plugins and 1-on-1 priority email support. Why choose Flexible Subscriptions for WooCommerce? – 100% free core features forever – Built and maintained by the WP Desk team – Compatible with the latest WooCommerce and WordPress versions – Now ready for the new WooCommerce Checkout Block – Actively developed, reliable, and used by thousands of stores worldwide 🔒 Data use policy Learn more about our Use of Data Policy by WP Desk Plugins Download it for free today and start selling subscriptions in WooCommerce!
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