CVE-2019-25027
Reflected cross-site scripting in default RouteNotFoundError view in Vaadin 10 and 11-13
- 6.1MediumCVSS base score
- 0.67%Exploitation in 30 daysEPSS · top 48% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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
Timeline
ID reserved
By Vaadin
- 10 days later
· 10 days later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VaadinCNA (assigner) | 3.1 | Medium6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVDNVD · Modified | 3.1 | Medium6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.67% · top 48% of all CVEs (12 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.1.
Affected products
- affected 10.0.0 – < *
- affected 1.0.0 – < *
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Mavencom.vaadin:flow-serverGHSA-rp4x-wxqv-cf9m (opens in a new tab)
References
References2
- https://vaadin.com/security/cve-2019-25027 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/vaadin/flow/pull/5498 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2021-0873 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-rp4x-wxqv-cf9m (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2019-25027)Record last updated .