savesettings.php in phpGB 1.20 and earlier does not require authentication, which allows remote attackers to cause a denial of service or execute arbitrary PHP code by using savesettings.php to modify config.php.
| Software | From | Fixed in |
|---|---|---|
| phpgb / phpgb | 1.10 | 1.10.x |
| phpgb / phpgb | 1.20 | 1.20.x |