CVE-2021-33611

MEDIUM
Published Nov 2, 20214y ago · Modified Jun 17, 20262w ago
6.1 CVSS 3.1
Medium
Find Similar
Published Nov 2, 2021 4y ago
Last Modified Jun 17, 2026 2w ago

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

CVSS Details

Base Score
6.1
Exploitability
2.8
Impact
2.7
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Changed
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 2

VendorProductVersionRange
vaadinvaadin*≥14.0.0  –  ≤14.4.4
vaadinvaadin-menu-bar*≥1.0.0  –  ≤1.2.0

References 2

  • github.com https://github.com/vaadin/vaadin-menu-bar/pull/126
    PatchThird Party Advisory
  • vaadin.com https://vaadin.com/security/cve-2021-33611
    ExploitThird Party Advisory

Remediation

  • github.com https://github.com/vaadin/vaadin-menu-bar/pull/126
    PatchThird Party Advisory