1 files changed, 1 insertions, 0 deletions
diff --git a/p/api/pshb.php b/p/api/pshb.php
index 91dd4e901..b6cbc5089 100644
--- a/p/api/pshb.php
+++ b/p/api/pshb.php
@@ -6,6 +6,7 @@ require(LIB_PATH . '/lib_rss.php');	//Includes class autoloader
 const MAX_PAYLOAD = 3_145_728;
 
 header('Content-Type: text/plain; charset=UTF-8');
+header("Content-Security-Policy: default-src 'none'; frame-ancestors 'none'; sandbox");
 header('X-Content-Type-Options: nosniff');
 
 $ORIGINAL_INPUT = file_get_contents('php://input', false, null, 0, MAX_PAYLOAD) ?: '';