CVE-2020-7642
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.
Date published : 2020-04-22
https://github.com/aFarkas/lazysizes/commit/3720ab8262552d4e063a38d8492f9490a231fd48