CVE-2018-17831: Redaxo

Critical severity, CVSS 9.8. EPSS: 2.1% chance of exploitation in the next 30 days.

In REDAXO before 5.6.3, a critical SQL injection vulnerability has been discovered in the rex_list class because of the prepareQuery function in core/lib/list.php, via the index.php?page=users/users sort parameter. Endangered was the backend and the frontend only if rex_list were used.

Affected products

• Redaxo Redaxo: before 5.6.3 (fixed in 5.6.3)

Published 2018-10-01. Last modified 2026-06-17.