Cross-Site Scripting in lazysizes (GHSA-w4vp-3mq7-7v82)

Description

Versions of lazysizes prior to 5.2.1-rc1 are vulnerable to Cross-Site Scripting. The video-embed plugin fails to sanitize the following attributes: data-vimeo, data-vimeoparams, data-youtube and data-ytparams.

Recommendation

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

• Affected version(s): <= 5.2.1-rc0
• Patched version(s): 5.2.1-rc1

References

• GHSA-w4vp-3mq7-7v82
• www.npmjs.com
• CWE-79
• OWASP 2021-A3

Related Issues

• Regular Expression Denial of Service (ReDoS) in lodash - CVE-2020-28500
• Payload's SQLite adapter Session Fixation vulnerability - CVE-2025-4644
• Elliptic's verify function omits uniqueness validation - CVE-2024-48949
• secp256k1-node allows private key extraction over ECDH - CVE-2024-48930

Tags:

npm

lazysizes