CVE-2026-93871

Cotonti through 1.0.0 fails to validate redirect destinations in page bodies prefixed with redir:, allowing authenticated users with page creation or edit permissions to store redirects to arbitrary external hosts. Attackers can craft pages on trusted domains that redirect visitors to malicious sites for phishing attacks without administrative privileges.

  • Published Sep 18, 2026
  • CVSS 5.1 medium
  • 0.3% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-93871 at the National Vulnerability Database