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.
The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as SQL instead of ordinary user data.
| Link | Tags |
|---|---|
| https://github.com/redaxo/redaxo/issues/2043 | third party advisory exploit |
| https://github.com/redaxo/redaxo/releases/tag/5.6.3 | third party advisory release notes |
| https://redaxo.org/cms/news/sicherheitsluecke-und-neue-yform-version/ | vendor advisory |