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-2021-23424 Vulnerability in npm package ansi-html

CVE-2014-10065 Vulnerability in maven package org.webjars:remarkable

CVE-2020-15500 Vulnerability in maven package org.webjars.npm:tileserver-gl

CVE-2021-26276 Vulnerability in npm package config-shield

CVE-2020-7604 Vulnerability in npm package pulverizr

Severity

Medium

Classification

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

Tags

Exploit Third Party Advisory Patch