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-rw-r--r--system/core/Security.php10
1 files changed, 9 insertions, 1 deletions
diff --git a/system/core/Security.php b/system/core/Security.php
index a6cd14a5f..7aae54efc 100644
--- a/system/core/Security.php
+++ b/system/core/Security.php
@@ -576,7 +576,15 @@ class CI_Security {
}
$str = remove_invisible_characters($str, FALSE);
- return stripslashes(str_replace($bad, '', $str));
+
+ do
+ {
+ $old = $str;
+ $str = str_replace($bad, '', $str);
+ }
+ while ($old !== $str);
+
+ return stripslashes($str);
}
// ----------------------------------------------------------------