CVE-2026-9709
High
Description
The Cornerstone WordPress plugin before 7.8.9 does not enforce capability checks on one of its REST API routes, allowing any authenticated user to disclose the metadata of any other user, including roles, session token previews and stored billing/shipping fields. This affects the premium co Cornerstone page builder distributed bundled with the X , not the unrelated free `cornerstone` Cornerstone WordPress plugin before 7.8.9 (v0.8.x) on the .org repository.
SeverityHigh
CVSS7.7
Exploit probability—
Product
Cornerstone
PublishedJun 24, 2026
First seenJun 24, 2026
Weakness typeCWE-200Sensitive information exposure
How to fix
Update
- Cornerstone7.8.9 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Cornerstone | 3.0.0 ≤ v < 7.8.9 | 7.8.9 |
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