CVE-2025-56451: Seeyon a8+ Collaborative Management

Medium severity, CVSS 6.1. EPSS: 0.2% chance of exploitation in the next 30 days.

Cross site scripting vulnerability in seeyon Zhiyuan A8+ Collaborative Management Software 7.0 via the topValue parameter to the seeyon/main.do endpoint.

Affected products

• Seeyon a8+ Collaborative Management: version 7.0 only

Published 2026-01-16. Last modified 2026-06-17.