🛡️ CVE-2021-33611 — vaadin-bom

⚪ Unknown ✅ No Known Exploit CWE-79 OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Reflected cross-site scripting in vaadin-menu-bar webjar resources in Vaadin 14

Missing output sanitization in test sources in org.webjars.bowergithub.vaadin:vaadin-menu-bar versions 1.0.0 through 1.2.0 (Vaadin 14.0.0 through 14.4.4) allows remote attackers to execute malicious JavaScript in browser by opening crafted URL.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality low, integrity low, availability none.

Weakness class

CVE-2021-33611 is classified as CWE-79: Cross-site Scripting (XSS). User-supplied data is written into a page without escaping, so attacker script runs in the browser of anyone who views it.

Affected software

CVE-2021-33611 is recorded against 2 packages.

  • com.vaadin:vaadin-bom (from 14.0.0 up to 14.4.5)
  • org.webjars.bowergithub.vaadin:vaadin-menu-bar (from 1.0.0 up to 1.2.1)

Timeline and source

Published on 3 November 2021 and last revised on 8 November 2023. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

github.com (Web)
nvd.nist.gov (Advisory)
github.com (Web)
github.com (Package)
vaadin.com (Web)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE CWE-79
Public Exploit ✅ No
Source OSV
Published 2021-11-03
Updated 2026-08-12
Modified 2023-11-08
Fix URL N/A

Affected Packages

Software From version Fixed in
com.vaadin:vaadin-bom 14.0.0 14.4.5
org.webjars.bowergithub.vaadin:vaadin-menu-bar 1.0.0 1.2.1

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