CVE-2025-58266: Fumiki Takahashi Gianism

Medium severity, CVSS 5.9. EPSS: 0.2% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Fumiki Takahashi Gianism gianism allows Stored XSS.This issue affects Gianism: from n/a through <= 6.0.0.

Affected products

• Fumiki Takahashi Gianism: up to and including 6.0.0

Published 2025-09-22. Last modified 2026-09-30.