Cornerstone vulnerabilities

Plugin slug cornerstone · 7 known vulnerabilities · latest disclosed 2026-06-25 · WordPress.org page

1 vulnerability has no fixed version yet. If you use this plugin, consider disabling or replacing it until a fix is released.

1 of 7 rated high or critical (CVSS 7 or more).

Known vulnerabilities in Cornerstone

SeverityAffected versionsFixed inCVEPublishedDetails
Medium 4.3< 7.8.97.8.9CVE-2026-97092026-06-25Advisory
Medium 4.3< 7.8.87.8.8CVE-2026-97102026-06-25Advisory
Medium 6.5< 7.8.87.8.8CVE-2026-541852026-06-16Advisory
High 8.8< 7.8.87.8.8CVE-2026-491132026-06-04Advisory
Medium 6.4<= 7.7.3No fix yetCVE-2025-630722025-10-06Advisory
Medium 6.1<= 0.8.00.8.1CVE-2024-280022024-04-26Advisory
Medium 6.1<= 0.8.00.8.1CVE-2024-325702024-04-16Advisory

Check if a site is affected

Enter a site address to see which version of Cornerstone and other plugins it runs, and whether they match a known vulnerability.

Questions

Is the Cornerstone plugin safe to use?

1 known issue(s) have no fix yet, so check the table above before using it.

How do I check which version of Cornerstone my site runs?

In WordPress go to Plugins > Installed Plugins. From the outside, the free PluginPeek scan below reads the version from the site's public files.

How do I fix a vulnerable plugin?

Make a full backup, then update it from Dashboard > Updates and check the site afterwards. If you would rather not, we can do it for a fixed $99, paid after you have checked the site.

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