CVE-2026-77838: Tsuyoshi Saito Soy Calendar

Medium severity, CVSS 4.8. EPSS: 0.2% chance of exploitation in the next 30 days.

SOY Calendar contains a cross-site scripting vulnerability. An arbitrary script may be executed on the web browser of the user who is logging in to the product.

Affected products

Published 2026-08-28. Last modified 2026-08-28.