GitHub Advisoryadvisory · npm

GHSA-hg2p-2cvq-4ppv Cross-site scripting in lazysizes

MEDIUM Published 2021-12-10 Modified 2023-09-05 Official page ↗
Aliases
CVE-2020-7642
Ecosystem
npm
Packages
lazysizes
Severity
Moderate
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weaknesses
CWE-79
Reviewed
2021-05-25

Affected packages

• npm lazysizes: < 5.2.1 → fixed in 5.2.1

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.

Related

Alias · CVE (1)

  • CVE-2020-7642 lazysizes through 5.2.0 allows execution of malicious JavaScript. vulnerability

Weakness · CWE (1)

  • CWE-79 Improper Neutralization of Input During Web Page Generation weakness

References