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-rw-r--r--Bugzilla/CGI.pm4
1 files changed, 4 insertions, 0 deletions
diff --git a/Bugzilla/CGI.pm b/Bugzilla/CGI.pm
index e0e1c40ba..9d8a1c48f 100644
--- a/Bugzilla/CGI.pm
+++ b/Bugzilla/CGI.pm
@@ -306,6 +306,10 @@ sub header {
unshift(@_, '-x_frame_options' => 'SAMEORIGIN');
}
+ # Add X-XSS-Protection header to prevent simple XSS attacks
+ # and enforce the blocking (rather than the rewriting) mode.
+ unshift(@_, '-x_xss_protection' => '1; mode=block');
+
return $self->SUPER::header(@_) || "";
}