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EUVD-2026-292721

2026-10-06T15:59:08.457785+00:00

EUVD-2026-292721

fkie_cve-2026-41229

2026-10-06T15:59:08.457826+00:00

Froxlor is open source server administration software. Prior to version 2.3.6, `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. Version 2.3.6 contains a patch.

GHSA-gc9w-cc93-rjv8 — Froxlor has a PHP Code Injection via Unescaped Single Quotes in userdata.inc.php Generation (MysqlServer API)

2026-10-06T15:59:08.457864+00:00

Affected: Packagist: froxlor/froxlor

## Summary

`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.

## Details

The root cause is in `PhpHelper::parseArrayToString()` at `lib/Froxlor/PhpHelper.php:486`:

```php // lib/Froxlor/PhpHelper.php:475-487 foreach ($array as $key => $value) { if (!is_array($value)) { if (is_bool($value)) { $str .= self::tabPrefix($depth, sprintf("'%s' => %s,\n", $key, $value ? 'true' : 'false')); } elseif (is_int($value)) { $str .= self::tabPrefix($depth, "'{$key}' => $value,\n"); } else { if ($key == 'password') { // special case for passwords (nowdoc) $str .= self::tabPrefix($depth, "'{$key}' => <<<'EOT'\n{$value}\nEOT,\n"); } else { // VULNERABLE: $value interpolated without escaping single quotes $str .= self::tabPrefix($depth, "'{$key}' => '{$value}',\n"); } } } } ```

Note that the `password` key receives special treatment via nowdoc syntax (line 484), which…

WID-SEC-W-2026-1124 — Froxlor: Mehrere Schwachstellen

2026-10-06T15:59:08.457931+00:00

Ein Angreifer kann mehrere Schwachstellen in Froxlor ausnutzen, um beliebigen Programmcode auszuführen, um Sicherheitsvorkehrungen zu umgehen, und um Dateien zu manipulieren.