[NSE] Added http-xssed that searches the xssed.com database for any previously reported vulnerabilities and outputs the result.

scripts/http-xssed.nse

@@ -0,0 +1,89 @@
+description = [[
+This script searches the xssed.com database and outputs the result. 
+]]
+
+---
+-- @usage nmap -p80 --script http-xssed.nse <target>
+-- 
+-- This script will search the xssed.com database and it will output any
+-- results. xssed.com is the largest online archive of XSS vulnerable 
+-- websites.
+--     
+-- PORT   STATE SERVICE REASON
+-- 80/tcp open  http    syn-ack
+-- | http-xssed: 
+-- |   xssed.com found the following previously reported XSS vulnerabilities marked as unfixed:
+-- |   
+-- |     /redirect/links.aspx?page=http://xssed.com
+-- |
+-- |     /derefer.php?url=http://xssed.com/
+-- |
+-- |   xssed.com found the following previously reported XSS vulnerabilities marked as fixed:
+-- |
+-- |_    /myBook/myregion.php?targetUrl=javascript:alert(1);
+---
+
+author = {'George Chatzisofroniou'}
+license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
+categories = {"safe", "external", "discovery"}
+
+local http = require "http"
+local shortport = require "shortport"
+local stdnse = require "stdnse"
+local table = require "table"
+local string = require "string"
+
+portrule = shortport.port_or_service( {80, 443}, {"http", "https"}, "tcp", "open")
+
+local XSSED_SITE = "xssed.com"
+local XSSED_SEARCH = "/search?key="
+local XSSED_FOUND = "<b>XSS:</b>"
+local XSSED_FIXED = "<img src='http://data.xssed.org/images/fixed.gif'>&nbsp;FIXED</th>"
+local XSSED_MIRROR = "<a href='(/mirror/%d+/)' target='_blank'>"
+local XSSED_URL = "URL: ([^%s]+)</th>" 
+
+action = function(host, port)
+
+    local fixed, unfixed
+
+    target = XSSED_SEARCH .. host.targetname
+
+    -- Only one instantiation of the script should ping xssed at once.
+    local mutex = nmap.mutex("http-xssed")
+    mutex "lock"
+
+    response = http.get(XSSED_SITE, 80, target)
+    
+    if string.find(response.body, XSSED_FOUND) then
+        fixed = {}
+        unfixed = {}
+        for m in string.gmatch(response.body, XSSED_MIRROR) do
+            mirror = http.get(XSSED_SITE, 80, m)
+            for v in string.gmatch(mirror.body, XSSED_URL) do
+                if string.find(mirror.body, XSSED_FIXED) then
+                    table.insert(fixed, "\t" .. v .. "\n")
+                else
+                    table.insert(unfixed, "\t" ..  v .. "\n") 
+                end
+            end
+        end 
+    end
+
+    mutex "done"
+
+    -- Fix the output.
+    if not fixed and not unfixed then
+        return "No previously reported XSS vuln."
+    end
+
+    if next(unfixed) ~= nil then
+        table.insert(unfixed, 1, "UNFIXED XSS vuln.\n")
+    end
+
+    if next(fixed) ~= nil then
+        table.insert(fixed, 1, "FIXED XSS vuln.\n")
+    end
+
+    return {unfixed, fixed}
+
+end