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GHSA-fm68-89m8-4gjj

Composer JavaScript injection possible via html comments

Source: GitHub Advisory Database (reviewed) Moderate CVE-2019-8233

Packages

EcosystemPackageAffectedFixed in
Packagist magento/community-edition >= 2.2, < 2.2.10 2.2.10
Packagist magento/community-edition >= 2.3, < 2.3.3 2.3.3

Details

As written in the advisory (Markdown source, shown as plain text).

In Magento 2.2 prior to 2.2.10, Magento 2.3 prior to 2.3.3 or 2.3.2-p1, an unauthenticated user can inject arbitrary JavaScript code as a result of the sanitization engine ignoring HTML comments.

References

External links from the advisory. They lead to third-party sites.