CVE-2019-25027— Reflected cross-site scripting in default RouteNotFoundError view in Vaadin 10 and 11-13
Quick assessment
Affected
Vaadin Vaadin
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Vaadin flow是一个应用软件。Vaadin平台的Java框架，用于构建外观美观，性能良好并让您和您的用户感到满意的现代网站。 vaadin:flow-server 存在安全漏洞，该漏洞源于允许攻击者通过精心制作的URL执行恶意的JavaScript。以下产品及版本受到影响：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 (Vaa
Possible ATT&CK Techniques 1 AI
T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2019-25027
Vulnerability Information
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Vulnerability Title
Reflected cross-site scripting in default RouteNotFoundError view in Vaadin 10 and 11-13
Source: CVE Program / CVE List V5
Vulnerability 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
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
错误消息Web页面中脚本转义处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Vaadin flow 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vaadin flow是一个应用软件。Vaadin平台的Java框架，用于构建外观美观，性能良好并让您和您的用户感到满意的现代网站。 vaadin:flow-server 存在安全漏洞，该漏洞源于允许攻击者通过精心制作的URL执行恶意的JavaScript。以下产品及版本受到影响：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 (Vaa
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Vaadin | Vaadin | 10.0.0 ~ * | - |
|
| Vaadin | flow-server | 1.0.0 ~ * | - |
|
II. Public POCs for CVE-2019-25027
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2019-25027 (1)
-
https://github.com/vaadin/flow/pull/5498 x_refsource_MISC
Other References for CVE-2019-25027 (1)
-
https://vaadin.com/security/cve-2019-25027 x_refsource_MISC
Same Patch Batch · Vaadin · 2021-04-23 · 13 CVEs total
| CVE-2021-31407 | 8.6 HIGH | Server classes and resources exposure in OSGi applications using Vaadin 12-14 and 19 |
| CVE-2021-31410 | 8.6 HIGH | Project sources exposure in Vaadin Designer |
| CVE-2020-36320 | 7.5 HIGH | Regular expression Denial of Service (ReDoS) in EmailValidator class in Vaadin 7 |
| CVE-2021-31405 | 7.5 HIGH | Regular expression denial of service (ReDoS) in EmailField component in Vaadin 14 and 15-1 |
| CVE-2021-31408 | 6.3 MEDIUM | Server session is not invalidated when logout() helper method of Authentication module is |
| CVE-2020-36321 | 5.9 MEDIUM | Directory traversal in development mode handler in Vaadin 14 and 15-17 |
| CVE-2019-25028 | 5.4 MEDIUM | Stored cross-site scripting in Grid component in Vaadin 7 and 8 |
| CVE-2021-31403 | 4.0 MEDIUM | Timing side channel vulnerability in UIDL request handler in Vaadin 7 and 8 |
| CVE-2021-31404 | 4.0 MEDIUM | Timing side channel vulnerability in UIDL request handler in Vaadin 10, 11-14, and 15-18 |
| CVE-2021-31406 | 4.0 MEDIUM | Timing side channel vulnerability in endpoint request handler in Vaadin 15-19 |
| CVE-2020-36319 | 3.1 LOW | Potential sensitive data exposure in applications using Vaadin 15 |
| CVE-2018-25007 | 2.6 LOW | Unauthorized client-side property update in UIDL request handler in Vaadin 10 and 11 |
IV. Related Vulnerabilities
Same product: Vaadin
-
CVE-2026-93547
Missing Authorization Check in Vaadin Spreadsheet Allows Cel -
CVE-2026-91860
Prototype Pollution in Vaadin Charts and Component Base via -
CVE-2026-2742
Unauthorized session creation via reserved framework path ac -
CVE-2026-2741
Zip Slip Path Traversal on Node Unpack -
CVE-2025-15022
Cross-site scripting in Action caption
Same vendor: Vaadin
-
CVE-2026-93547
Missing Authorization Check in Vaadin Spreadsheet Allows Cel -
CVE-2026-91860
Prototype Pollution in Vaadin Charts and Component Base via -
CVE-2026-7860
Possible information disclosure of environment variables in -
CVE-2026-2742
Unauthorized session creation via reserved framework path ac -
CVE-2026-2741
Zip Slip Path Traversal on Node Unpack
Same weakness: CWE-81
V. Comments for CVE-2019-25027
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