Vulnerability · Published Nov 2, 2021 · Assigned by Vaadin

CVE-2021-33611Reflected cross-site scripting in vaadin-menu-bar webjar resources in Vaadin 14

Medium 6.1

In plain English

A medium-severity cross-site scripting in Vaadin from Vaadin. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)1.0%top 37.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Mavencom.vaadin:vaadin-bom14.4.5GHSA-93c4-vf86-3rj7
Mavenorg.webjars.bowergithub.vaadin:vaadin-menu-bar1.2.1GHSA-93c4-vf86-3rj7

Affected products (as reported)

VendorProductVersions
Vaadin Vaadin 14.0.0 – before unspecifiedunspecified – through 14.4.4
Vaadin vaadin-menu-bar 1.0.0 – before unspecifiedunspecified – through 1.2.0

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References