CVE-2019-25027

mediumpriority · track · 24EPSS 0.007 · 52 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.67% (52nd) EPSS

CVSS 4.3 · medium

Is it mine?

8 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

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

cvss

Technical severity, 0–10. One row per scoring source.

6.1

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · ENISA EU

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · security@vaadin.comexploitability 2.8 · impact 2.7

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · OSV

v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimaryCWE-79USCWE-81USCWE-81US

affected products (8)

Products and version ranges known to be affected.

Vaadin Vaadin10.0.0 → *enisa_euvdEU
Vaadin flow-server1.0.0 → *enisa_euvdEU
vaadin flow1.0.0 → 1.0.11nvdUScpe:2.3:a:vaadin:flow:*:*:*:*:*:*:*:*
vaadin flow1.1.0 → 1.4.3nvdUScpe:2.3:a:vaadin:flow:*:*:*:*:*:*:*:*
vaadin vaadin10.0.0 → 10.0.14nvdUScpe:2.3:a:vaadin:vaadin:*:*:*:*:*:*:*:*
vaadin vaadin11.0.0 → 13.0.6nvdUScpe:2.3:a:vaadin:vaadin:*:*:*:*:*:*:*:*
Maven com.vaadin:flow-server1.0.0 → 1.0.11osvUSpkg:maven/com.vaadin/flow-server
Maven com.vaadin:flow-server1.1.0 → 1.4.3osvUSpkg:maven/com.vaadin/flow-server

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-rp4x-wxqv-cf9mReflected cross-site scripting in default RouteNotFoundError view in Vaadin 10 and 11-132021-04-19ghsa · osvUS
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. - https://vaadin.com/security/cve-2019-25027

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2021-04-23modified 2026-06-17

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+53004 more

references (7)

External citations — patches, advisories, analysis.

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