MediumGHSA-3jxh-789f-p7m6CVE-2021-27902

Craft CMS Cross-site Scripting Vulnerability

Published 2 Jul 2021 · Updated 16 Feb 2024

Affected package

craftcms/cmsComposer
Affected
<3.6.0
Fixed in
3.6.0
Update to the fixed version for your release line, for example:composer require craftcms/cms:^3.6.0

Details

An issue was discovered in Craft CMS before 3.6.0. In some circumstances, a potential XSS vulnerability existed in connection with front-end forms that accepted user uploads.

Is GHSA-3jxh-789f-p7m6 in any of your client repos?

Checking one package by hand is fine. Checking it across forty client projects is not. NPMscan reads the lockfiles in every GitHub repo you pick, finds each project with an affected craftcms/cms, and gives you the command that fixes it.

References

Advisory data from OSV.dev (opens OSV.dev in a new tab), refreshed daily.