WordPress plugin
Cornerstone security & vulnerabilities
Unpatched vulnerability in the latest version
At least one vulnerability affects the latest version and no fix has been released. Deactivate the plugin or restrict access to the affected feature until the vendor ships a patch.
- Critical0
- High1
- Medium6
- Low0
All Cornerstone vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium4.3 | Missing Authorization <7.8.9Update to 7.8.9 | CVE-2026-9709 | |
| Medium4.3 | Missing Authorization <7.8.8Update to 7.8.8 | CVE-2026-9710 | |
| Medium6.5 | Authenticated (Subscriber+) SQL Injection <7.8.8Update to 7.8.8 | CVE-2026-54185 | |
| High8.8 | Authenticated (Subscriber+) Arbitrary Code Execution <7.8.8Update to 7.8.8 | CVE-2026-49113 | |
| Medium6.4 | Authenticated (Contributor+) Stored Cross-Site Scripting ≤7.7.3No patch available | CVE-2025-63072 | |
| Medium6.1 | Reflected Cross-Site Scripting ≤0.8.0Update to 0.8.1 | CVE-2024-28002 | |
| Medium6.1 | Reflected Cross-Site Scripting via PHP_SELF ≤0.8.0Update to 0.8.1 | CVE-2024-32570 |
- Medium4.3Missing Authorization
<7.8.9Update to 7.8.9
- Medium4.3Missing Authorization
<7.8.8Update to 7.8.8
- Medium6.5Authenticated (Subscriber+) SQL Injection
<7.8.8Update to 7.8.8
- High8.8Authenticated (Subscriber+) Arbitrary Code Execution
<7.8.8Update to 7.8.8
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤7.7.3No patch available
- Medium6.1Reflected Cross-Site Scripting
≤0.8.0Update to 0.8.1
- Medium6.1Reflected Cross-Site Scripting via PHP_SELF
≤0.8.0Update to 0.8.1
Cornerstone: common questions
Does Cornerstone have known vulnerabilities?
Yes. VulnCrest Radar lists 7 known vulnerabilities in Cornerstone: 1 high, 6 medium. At least one is not fixed in the latest version.
How do I check which version of Cornerstone 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 Cornerstone vulnerability?
CVE-2026-9709, published Jun 25, 2026: Cornerstone < 7.8.9 - Missing Authorization. Severity: Medium (CVSS 4.3).
Is any Cornerstone vulnerability listed in CISA KEV?
No. None of the known Cornerstone vulnerabilities is currently listed in the CISA KEV catalog.