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Cornerstone vulnerabilities
Cornerstone has 2 known vulnerabilities in this database. The most recent published record is dated 24 Jun 2026.
- Known vulnerabilities
- 2
- Active installs
- 20,000+
- Latest version
- 0.8.1
- Last updated
- 12 Sep 2026
- Most recent
- 24 Jun 2026
Find it in your WordPress dashboard under Plugins. Severity is based on the CVSS score published with the CVE where one is available.
| Vulnerability | Severity | Affected | Fix | Published |
|---|---|---|---|---|
| Security weakness CVE-2026-9709 | High 7.7 | Before 7.8.9 | Fixed in 7.8.9 | 24 Jun 2026 |
| Security weakness CVE-2026-9710 | High 7.7 | Before 7.8.8 | Fixed in 7.8.8 | 24 Jun 2026 |
Read the published descriptions
- CVE-2026-9709, 24 Jun 2026
- 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. CVE record
- CVE-2026-9710, 24 Jun 2026
- The Cornerstone WordPress plugin before 7.8.8 does not enforce capability checks on one of its CSS-preview request handlers, and exposes the nonce needed to call it to every logged-in user on any wp-admin page, allowing any authenticated user to evaluate dynamic content tokens against arbitrary users and disclose their sensitive metadata including raw password hashes. This affects the premium co Cornerstone page builder distributed bundled with the X , not the unrelated free `cornerstone` Cornerstone WordPress plugin before 7.8.8 (v0.8.x) on the .org repository. CVE record
What to do if you run Cornerstone
If you run Cornerstone, open WordPress and check the installed version in Plugins. Compare it with the affected versions in the vulnerability record. If a fixed version is available, take a current backup and update to that version or the latest supported release.
If no fixed version exists, consider disabling and removing the plugin or replacing it with a maintained alternative. After dealing with the affected software, check administrator users, unexpected file changes, redirects, unfamiliar pages and security logs for signs that the site may already have been altered.
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