CVE-2026-93659: Concretecms-Community-Store Community Store

High severity, CVSS 8.1. EPSS: 0.4% chance of exploitation in the next 30 days.

Concrete CMS Community Store before 2.7.8 renders customer-supplied order fields without HTML escaping in checkout and admin views. Unauthenticated attackers can store script payloads in billing name, email, or phone fields that execute in authenticated manager sessions to create rogue accounts or exfiltrate data.

Affected products

• Concretecms-Community-Store Community Store: before 2.7.8 (fixed in 2.7.8)

Published 2026-09-18. Last modified 2026-09-28.