Description
lazysizes through 5.2.0 allows execution of malicious JavaScript. The following attributes are not sanitized by the video-embed plugin: data-vimeo, data-vimeoparams, data-youtube and data-ytparams which can be abused to inject malicious JavaScript.
Remediation
References
https://snyk.io/vuln/SNYK-JS-LAZYSIZES-567144
https://github.com/aFarkas/lazysizes/commit/3720ab8262552d4e063a38d8492f9490a231fd48
Related Vulnerabilities
CVE-2018-20594 Vulnerability in maven package org.hswebframework.web:hsweb-system-workflow-local
CVE-2020-7625 Vulnerability in npm package op-browser
CVE-2020-28052 Vulnerability in maven package org.bouncycastle:bcprov-jdk15to18
CVE-2020-28480 Vulnerability in maven package org.webjars.npm:jointjs