What’s Vulnerable › Vulnerabilities

CVE-2023-25499: Possible information disclosure in non visible components

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-06-22 · updated 2026-09-14
• Weakness: CWE-200

Description

When adding non-visible components to the UI in server side, content is sent to the browser in Vaadin 10.0.0 through 10.0.22, 11.0.0 through 14.10.0, 15.0.0 through 22.0.28, 23.0.0 through 23.3.12, 24.0.0 through 24.0.5 and 24.1.0.alpha1 to 24.1.0.beta1, resulting in potential information disclosure.

Affected products

• Vaadin: from 10.0.0 before 10.0.23; from 11.0.0 before 14.10.1; from 15.0.0 through 22.0.28; from 23.0.0 before 23.3.13; from 24.0.0 before 24.0.6; 24.1.0-alpha1, 24.1.0-alpha2, 24.1.0-alpha3, 24.1.0-alpha4, 24.1.0-alpha5, 24.1.0-alpha6 (+1) — fixed in 10.0.23, 14.10.1, 23.3.13, 24.0.6

How to fix

Upgrade to a fixed version: Vaadin 10.0.23, 14.10.1, 23.3.13, 24.0.6. Check the vendor advisory for mitigations.

References

• https://github.com/vaadin/flow/pull/15885
• https://vaadin.com/security/CVE-2023-25499
• https://github.com/vaadin/flow/pull/15885
• https://vaadin.com/security/CVE-2023-25499

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