Ugh. Apparently target can't be null. Fixed.

modules/exploits/axous_1_1_1_add_user_csrf/config.yaml

@@ -21,3 +21,5 @@ beef:
             name: "Axous <= 1.1.1 Add User CSRF"
             description: "Attempts to add a user to an Axous <= 1.1.1 install (CVE-2012-2629)."
             authors: ["bcoles", "Ivano Binetti"]
+            target:
+                unknown: ["ALL"]

modules/exploits/boastmachine_3_1_add_user_csrf/config.yaml

@@ -21,3 +21,5 @@ beef:
             name: "boastMachine <= 3.1 Add User CSRF"
             description: "Attempts to add a user to a boastMachine <= 3.1 install."
             authors: ["bcoles", "Dr.NaNo"]
+            target:
+                unknown: ["ALL"]

modules/exploits/nas/freenas_reverse_root_shell_csrf/config.yaml

@@ -22,7 +22,7 @@ beef:
             enable: true
             category: ["Exploits", "NAS"]
             name: "FreeNAS Reverse Root Shell CSRF"
-            description: "Attempts to get a reverse root shell on a FreeNAS server.<br/>Tested on version 8.2.0 however other versions are likely to be vulnerable."
+            description: "Attempts to get a reverse root shell on a FreeNAS server.<br/>Tested on version 8.2.0 however other versions are likely to be vulnerable.<br/>Patched in version 8.3.0-BETA3."
             authors: ["bcoles"]
             target:
                 working: ["ALL"]

modules/exploits/spring_framework_malicious_jar/config.yaml

@@ -21,3 +21,5 @@ beef:
             name: "Spring Framework Malicious Jar Exploit"
             description: "Execute a malicious JAR file using the Spring Framework 'class.classloader' vulnerability (CVE-2010-1622).<br/>Specify the URL for a form controller on the target and the URL for your malicious JAR file.<br/>For more information see: http://www.exploit-db.com/exploits/13918/<br/><br/>Versions Affected:<br/>3.0.0 to 3.0.2<br/>2.5.0 to 2.5.6.SEC01 (community releases)<br/>2.5.0 to 2.5.7 (subscription customers)"
             authors: ["bcoles"]
+            target:
+                unknown: ["ALL"]

modules/exploits/xss/alienvault_ossim_3.1_xss/config.yaml

@@ -21,3 +21,5 @@ beef:
             name: "AlienVault OSSIM 3.1 XSS"
             description: "Attempts to hook AlienVault OSSIM 3.1 using XSS.<br/>For more information see: http://www.exploit-db.com/exploits/20062/"
             authors: ["bcoles", "muts"]
+            target:
+                unknown: ["ALL"]

modules/exploits/xss/cisco_collaboration_server_5_xss/config.yaml

@@ -21,3 +21,5 @@ beef:
             name: "Cisco Collaboration Server 5 XSS"
             description: "Attempts to hook Cisco Collaboration Server 5 using XSS.<br/>For more information see: http://www.exploit-db.com/exploits/11403/"
             authors: ["bcoles", "s4squatch"]
+            target:
+                unknown: ["ALL"]

modules/exploits/xss/serendipity_1.6_xss/config.yaml

@@ -21,3 +21,5 @@ beef:
             name: "Serendipity <= 1.6 XSS"
             description: "Attempts to hook Serendipity <= 1.6 using XSS.<br/>For more information see: http://www.exploit-db.com/exploits/18884/"
             authors: ["bcoles", "Stefan Schurtz"]
+            target:
+                unknown: ["ALL"]