CVE-2026-9709 - Themeco Cornerstone < 7.8.9 (Premium, bundled with X Theme) - Subscriber+ Arbitrary User Meta Disclosure

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HIGH

Themeco Cornerstone < 7.8.9 (Premium, bundled with X Theme) - Subscriber+ Arbitrary User Meta Disclosure

Published Jun 24, 2026

7.7

HIGH

CVSS 3.1

EPSS 0.37%

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.

Affected products

Vendor n/a Product Cornerstone Default
unaffected
- Version
  3.0.0
  Status
  affected
  Constraints
  <7.8.9

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

n/a

Cornerstone

unaffected

Version	Status	Constraints
3.0.0	affected	<7.8.9

Remediation

No remediation recorded yet.

Weaknesses (0)

No CWE recorded.

References (2)

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-38696
Advisory
https://wpscan.com/vulnerability/3ade0e4e-2070-4d3b-8f31-0d446839efd0/
exploitvdb-entrytechnical-description

Link	Providers	Tags
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-38696		Advisory
https://wpscan.com/vulnerability/3ade0e4e-2070-4d3b-8f31-0d446839efd0/		exploitvdb-entrytechnical-description