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-rw-r--r--app/Models/Auth.php1
1 files changed, 1 insertions, 0 deletions
diff --git a/app/Models/Auth.php b/app/Models/Auth.php
index f8f97e74e..bd7f05c66 100644
--- a/app/Models/Auth.php
+++ b/app/Models/Auth.php
@@ -213,6 +213,7 @@ class FreshRSS_Auth {
class FreshRSS_FormAuth {
public static function checkCredentials($username, $hash, $nonce, $challenge) {
if (!FreshRSS_user_Controller::checkUsername($username) ||
+ !ctype_graph($hash) ||
!ctype_graph($challenge) ||
!ctype_alnum($nonce)) {
Minz_Log::debug('Invalid credential parameters:' .