phpBB < 3.2.8 Multiple Vulnerabilities

# SPDX-FileCopyrightText: 2019 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:phpbb:phpbb";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.112640");
  script_version("2026-05-21T06:54:30+0000");
  script_tag(name:"last_modification", value:"2026-05-21 06:54:30 +0000 (Thu, 21 May 2026)");
  script_tag(name:"creation_date", value:"2019-09-23 12:32:45 +0000 (Mon, 23 Sep 2019)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:P/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2020-08-24 17:37:00 +0000 (Mon, 24 Aug 2020)");

  script_cve_id("CVE-2019-16107", "CVE-2019-16108", "CVE-2019-13376");

  script_tag(name:"qod_type", value:"remote_banner_unreliable");

  script_tag(name:"solution_type", value:"VendorFix");

  script_name("phpBB < 3.2.8 Multiple Vulnerabilities");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2019 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_phpbb_http_detect.nasl");
  script_mandatory_keys("phpbb/detected");

  script_tag(name:"summary", value:"phpBB is prone to multiple vulnerabilities.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"insight", value:"The following flaws exist:

  - CVE-2019-16107, CVE-2019-13376: Previous versions of phpBB did not properly enforce form tokens
  on two separate pages which could have been used to trick users into carrying out unwanted
  actions.

  - CVE-2019-16108: Improper validation of BBCode parameters allowed modifying the style attribute
  and injecting arbitrary CSS into the page.");

  script_tag(name:"impact", value:"Successful exploitation would allow an attacker to trick users
  into carrying out unwanted actions or to inject arbitrary CSS into an affected page.");

  script_tag(name:"affected", value:"phpBB prior to version 3.2.8.");

  script_tag(name:"solution", value:"Update to version 3.2.8 or later.");

  script_xref(name:"URL", value:"https://www.phpbb.com/community/viewtopic.php?f=14&t=2523271");
  script_xref(name:"URL", value:"https://tracker.phpbb.com/issues/?filter=15090");

  exit(0);
}

include("host_details.inc");
include("version_func.inc");

if( ! port = get_app_port( cpe:CPE ) )
  exit( 0 );

if( ! infos = get_app_version_and_location( cpe:CPE, port:port, exit_no_version:TRUE ) )
  exit( 0 );

vers = infos["version"];
path = infos["location"];

if( version_is_less( version:vers, test_version:"3.2.8" ) ) {
  report = report_fixed_ver( installed_version:vers, fixed_version:"3.2.8", install_path:path );
  security_message( port:port, data:report );
  exit( 0 );
}

exit( 99 );