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VULNERABILITIES

CVE-2020-7642 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/aFarkas/lazysizes/commit/3720ab8262552d4e063a38d8492f9490a231fd48 CVEPatchThird Party Advisory
https://snyk.io/vuln/SNYK-JS-LAZYSIZES-567144 CVEExploitThird Party Advisory
https://github.com/aFarkas/lazysizes/commit/3720ab8262552d4e063a38d8492f9490a231fd48 [email protected]PatchThird Party Advisory
https://snyk.io/vuln/SNYK-JS-LAZYSIZES-567144 [email protected]ExploitThird Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')[email protected]

Affected Products

ProductVersions
lazysizes project lazysizes
<= 5.2.0

CPE

  • cpe:2.3:a:lazysizes_project:lazysizes:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2020-7642
NVD Published Date:
Apr 22, 2020
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2020-7642 Details - Not Deferred