Cross-site scripting in lazysizes

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.

Recommendation

Update the lazysizes package to the latest compatible version. Followings are version details:

• Affected version(s): <= 5.2.0
• Patched version(s): 5.2.1

References

• GHSA-hg2p-2cvq-4ppv
• snyk.io
• CVE-2020-7642
• CWE-79
• CAPEC-310
• OWASP 2021-A3
• OWASP 2021-A6

Related Issues

• Cross-site Scripting in Joplin - CVE-2020-15930
• Cross-site Scripting in dompurify (GHSA-63q7-h895-m982) - CVE-2020-26870
• Cross-site Scripting in vis-timeline - CVE-2020-28487
• Cross-site Scripting (XSS) in Eclipse Theia - CVE-2020-27224

Tags:

npm

lazysizes