{"cve":"CVE-2021-33611","nvd":{"published":"2021-11-02T10:15:07.683","modified":"2026-06-17T03:54:52.230","status":"Modified","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_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79"],"references":["https://github.com/vaadin/vaadin-menu-bar/pull/126","https://vaadin.com/security/cve-2021-33611","https://github.com/vaadin/vaadin-menu-bar/pull/126","https://vaadin.com/security/cve-2021-33611"],"products":["vaadin:vaadin","vaadin:vaadin-menu-bar"],"source":"nvd","synced_at":"2026-10-19T21:24:39.218183596+00:00"},"epss":{"cve":"CVE-2021-33611","score":0.00986,"percentile":0.62408,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-93c4-vf86-3rj7","url":"https://osv.dev/vulnerability/GHSA-93c4-vf86-3rj7","summary":"Reflected cross-site scripting in vaadin-menu-bar webjar resources in Vaadin 14","modified":"2023-11-08T04:06:05.923539Z","packages":[{"ecosystem":"Maven","name":"com.vaadin:vaadin-bom","purl":"pkg:maven/com.vaadin/vaadin-bom","ranges":[">=14.0.0 <14.4.5"],"fixed":["14.4.5"]},{"ecosystem":"Maven","name":"org.webjars.bowergithub.vaadin:vaadin-menu-bar","purl":"pkg:maven/org.webjars.bowergithub.vaadin/vaadin-menu-bar","ranges":[">=1.0.0 <1.2.1"],"fixed":["1.2.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}