GHSA-gc9w-cc93-rjv8
Critical · 9.1Froxlor has a PHP Code Injection via Unescaped Single Quotes in userdata.inc.php Generation (MysqlServer API)
CVSS
9.1
EPSS
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Published
Apr 16, 2026
CISA due date
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The record
`PhpHelper::parseArrayToString()` writes string values into single-quoted PHP string literals without escaping single quotes. When an admin with `change_serversettings` permission adds or updates a MySQL server via the API, the `privileged_user` parameter (which has no input validation) is written unescaped into `lib/userdata.inc.php`. Since this file is `require`d on every request via `Database::getDB()`, an attacker can inject arbitrary PHP code that executes as the web server user on every subsequent page load.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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