CVE-2019-25027: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

April 19, 2021 (updated May 6, 2021)

Missing output sanitization in default RouteNotFoundError view in com.vaadin:flow-server versions 1.0.0 through 1.0.10 (Vaadin 10.0.0 through 10.0.13), and 1.1.0 through 1.4.2 (Vaadin 11.0.0 through 13.0.5) allows attacker to execute malicious JavaScript via crafted URL

References

github.com/advisories/GHSA-rp4x-wxqv-cf9m
github.com/vaadin/flow/pull/5498
github.com/vaadin/flow/security/advisories/GHSA-rp4x-wxqv-cf9m
nvd.nist.gov/vuln/detail/CVE-2019-25027
vaadin.com/security/cve-2019-25027

Code Behaviors & Features

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