CVE-2026-93873: Cotonti

Medium severity, CVSS 4.3. EPSS: 0.2% chance of exploitation in the next 30 days.

Cotonti through 1.0.0 fails to validate anti-CSRF tokens in the contact plugin submission handler, allowing attackers to forge messages. Attackers can auto-submit contact forms from attacker-controlled pages to send forged messages attributed to authenticated victims to the administrator inbox.

Affected products

• Cotonti Cotonti: up to and including 1.0.0

Published 2026-09-18. Last modified 2026-09-22.