Vaadin vulnerable to Cross-site Scripting

Action captions in Vaadin accept HTML by default but were not sanitized, potentially allowing Cross-site Scripting XSS if caption content is derived from user input. In Vaadin Framework 7 and 8, the Action class is a general-purpose class that may be used by multiple components. The fixed version...

CVE-2025-15022

CVE-2025-15022 describes an XSS vulnerability in Vaadin where caption HTML was not sanitized. Affected are Vaadin Framework 7 (7.0.0–7.7.49) and 8 (8.0.0–8.29.1), as well as Vaadin 23.1.0–23.6.5, Vaadin 24.0.0–24.8.13, and Vaadin 24.9.0–24.9.6. Fixed versions sanitize captions by default and, for...

EUVD-2026-0820

Action captions in Vaadin accept HTML by default but were not sanitized, potentially allowing Cross-site Scripting XSS if caption content is derived from user input. In Vaadin Framework 7 and 8, the Action class is a general-purpose class that may be used by multiple components. The fixed version...

GHSA-QCGX-CRRX-38V5 Denial of service in DataCommunicator class in Vaadin 8

Missing check in DataCommunicator class in com.vaadin:vaadin-server versions 8.0.0 through 8.14.0 Vaadin 8.0.0 through 8.14.0 allows authenticated network attacker to cause heap exhaustion by requesting too many rows of data...