CVE-2025-53242: Victorthemes Seil

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

Deserialization of Untrusted Data vulnerability in VictorThemes Seil seil allows Object Injection.This issue affects Seil: from n/a through <= 1.7.1.

Affected products

• Victorthemes Seil: up to and including 1.7.1

Published 2025-11-06. Last modified 2026-06-17.