CVE-2021-32649: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

January 14, 2022 (updated August 5, 2022)

October CMS is a self-hosted content management system (CMS) platform based on the Laravel PHP Framework., an attacker with “create, modify and delete website pages” privileges in the backend is able to execute PHP code by running specially crafted Twig code in the template markup. The issue has been patched in Build (v1.0.473) and v1.1.6. Those unable to upgrade may apply the patch to their installation manually as a workaround.

References

github.com/octobercms/october/commit/167b592eed291ae1563c8fcc5b9b34a03a300f26
github.com/octobercms/october/security/advisories/GHSA-wv23-pfj7-2mjj
nvd.nist.gov/vuln/detail/CVE-2021-32649

Code Behaviors & Features

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