diff options
Diffstat (limited to 'system/core/Security.php')
| -rw-r--r-- | system/core/Security.php | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/system/core/Security.php b/system/core/Security.php index 4c01da2b8..95957a3d8 100644 --- a/system/core/Security.php +++ b/system/core/Security.php @@ -837,14 +837,15 @@ class CI_Security { * Add a semicolon if missing. We do this to enable * the conversion of entities to ASCII later. */ - $str = preg_replace('#(&\#?[0-9a-z]{2,})([\x00-\x20])*;?#i', '\\1;\\2', $str); + $str = preg_replace('/(&#\d{2,4})(?![0-9;])/', '$1;', $str); + $str = preg_replace('/(&[a-z]{2,})(?![a-z;])/i', '$1;', $str); /* * Validate UTF16 two byte encoding (x00) * * Just as above, adds a semicolon if missing. */ - $str = preg_replace('#(&\#x?)([0-9A-F]+);?#i', '\\1\\2;', $str); + $str = preg_replace('/(�*[0-9a-f]{2,5})(?![0-9a-f;])/i', '$1;', $str); /* * Un-Protect GET variables in URLs |