X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=actions%2Fsubscribe.php;h=8d04934b7d3fb8b6bd7be3b5d499a577d2f40439;hb=f7865b1d410e303bb5dc2549d12823f37149b8e5;hp=71452e46ccda236bc06058c4daaabf29b2ee34b0;hpb=92645bbc578fafeb6816a44b8cf9cd594ffb5bd7;p=quix0rs-gnu-social.git

diff --git a/actions/subscribe.php b/actions/subscribe.php
index 71452e46cc..8d04934b7d 100644
--- a/actions/subscribe.php
+++ b/actions/subscribe.php
@@ -36,6 +36,15 @@ class SubscribeAction extends Action {
 			return;
 		}
 
+		# CSRF protection
+
+		$token = $this->trimmed('token');
+		
+		if (!$token || $token != common_session_token()) {
+			$this->client_error(_('There was a problem with your session token. Try again, please.'));
+			return;
+		}
+
 		$other_nickname = $this->arg('subscribeto');
 
 		$result=subs_subscribe_user($user, $other_nickname);