WordPress plugin
WooCommerce Subscription security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 6 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
- Critical0
- High1
- Medium5
- Low0
All WooCommerce Subscription vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium5.3 | Unauthenticated PHP Object Injection <9.1.0Update to 9.1.0 | CVE-2026-18391 | |
| Medium4.3 | Missing Authorization <5.8.0Update to 5.8.0 | CVE-2023-50850 | |
| Medium4.3 | Cross-Site Request Forgery <4.6.0Update to 4.6.0 | — | |
| Medium6.5 | Missing Authorization to Insecure Direct Object Reference ≤5.1.2Update to 5.1.3 | CVE-2023-35914 | |
| High8.3 | Cross-Site Request Forgery <3.0.3Update to 3.0.3 | — | |
| Medium6.1 | Stored Cross-Site Scripting <2.6.3Update to 2.6.3 | CVE-2019-18834 |
- Medium5.3Unauthenticated PHP Object Injection
<9.1.0Update to 9.1.0
- Medium4.3Missing Authorization
<5.8.0Update to 5.8.0
- Medium4.3Cross-Site Request Forgery
<4.6.0Update to 4.6.0
- Medium6.5Missing Authorization to Insecure Direct Object Reference
≤5.1.2Update to 5.1.3
- High8.3Cross-Site Request Forgery
<3.0.3Update to 3.0.3
- Medium6.1Stored Cross-Site Scripting
<2.6.3Update to 2.6.3
WooCommerce Subscription: common questions
Does WooCommerce Subscription have known vulnerabilities?
Yes. VulnCrest Radar lists 6 known vulnerabilities in WooCommerce Subscription: 1 high, 5 medium. None are known to affect version null.
How do I check which version of WooCommerce Subscription I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent WooCommerce Subscription vulnerability?
CVE-2026-18391, published Aug 14, 2026: WooCommerce Subscription < 9.1.0 - Unauthenticated PHP Object Injection. Severity: Medium (CVSS 5.3).
Is any WooCommerce Subscription vulnerability listed in CISA KEV?
No. None of the known WooCommerce Subscription vulnerabilities is currently listed in the CISA KEV catalog.