Ecosyste.ms: Advisories

Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLWhnMnAtMmN2cS00cHB2

Cross-site scripting in lazysizes

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.

Permalink: https://github.com/advisories/GHSA-hg2p-2cvq-4ppv
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLWhnMnAtMmN2cS00cHB2
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: almost 2 years ago
Updated: 3 months ago

CVSS Score: 5.4
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Identifiers: GHSA-hg2p-2cvq-4ppv, CVE-2020-7642
References:

• https://nvd.nist.gov/vuln/detail/CVE-2020-7642
• https://github.com/aFarkas/lazysizes/commit/3720ab8262552d4e063a38d8492f9490a231fd48
• https://snyk.io/vuln/SNYK-JS-LAZYSIZES-567144
• https://github.com/advisories/GHSA-hg2p-2cvq-4ppv

Affected Packages