VULNERABILITY INTELLIGENCE

CVE-2020-7642

CVSS score5.4 MEDIUM

EPSS probability0.89%

CISA KEVNot currently listed

Published2020-04-22

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

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.

Weakness classification

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Primary references

report@snyk.io — Patch, Third Party Advisory
report@snyk.io — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory