WordPress plugin
Simpler Checkout security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 2 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
- Critical1
- High0
- Medium1
- Low0
All Simpler Checkout vulnerabilities
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Simpler Checkout: common questions
Does Simpler Checkout have known vulnerabilities?
Yes. VulnCrest Radar lists 2 known vulnerabilities in Simpler Checkout: 1 critical, 1 medium. None are known to affect version null.
How do I check which version of Simpler Checkout 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 Simpler Checkout vulnerability?
CVE-2026-121870, published Nov 11, 2026: Simpler Checkout < 1.5.4 - Authenticated (Subscriber+) Privilege Escalation. Severity: Medium (CVSS 6.3).
Is any Simpler Checkout vulnerability listed in CISA KEV?
No. None of the known Simpler Checkout vulnerabilities is currently listed in the CISA KEV catalog.