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-rw-r--r--program/steps/mail/headers.inc3
1 files changed, 2 insertions, 1 deletions
diff --git a/program/steps/mail/headers.inc b/program/steps/mail/headers.inc
index 0892247f8..3bb087a59 100644
--- a/program/steps/mail/headers.inc
+++ b/program/steps/mail/headers.inc
@@ -26,7 +26,8 @@ if ($uid = get_input_value('_uid', RCUBE_INPUT_POST))
$source = $RCMAIL->storage->get_raw_headers($uid);
if ($source !== false) {
- $source = htmlspecialchars(trim($source));
+ $source = trim(rcube_charset::clean($source));
+ $source = htmlspecialchars($source);
$source = preg_replace(
array(
'/\n[\t\s]+/',