Drupal 10.6.x < 10.6.13 / 11.3.x < 11.3.14 / 11.4.x < 11.4.4 Multiple Vulnerabilities (drupal-2026-07-15)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(327097);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/07/15");

  script_cve_id("CVE-2026-15916", "CVE-2026-15917", "CVE-2026-55805");

  script_name(english:"Drupal 10.6.x < 10.6.13 / 11.3.x < 11.3.14 / 11.4.x < 11.4.4 Multiple Vulnerabilities (drupal-2026-07-15)");

  script_set_attribute(attribute:"synopsis", value:
"A PHP application running on the remote web server is affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"According to its self-reported version, the instance of Drupal running on the remote web server is 10.6.x prior to
10.6.13, 11.3.x prior to 11.3.14, or 11.4.x prior to 11.4.4. It is, therefore, affected by multiple vulnerabilities.

  - Drupal core 11.2 and above integrate the HTMX JavaScript library. Drupal core's XSS filter does not
    sufficiently sanitize certain HTMX attributes, which can lead to a cross-site scripting (XSS)
    vulnerability. The vulnerability is mitigated by the fact an attacker must be able to insert HTML with
    specific attributes. (CVE-2026-15917)

  - The Layout Builder module doesn't sufficiently sanitize block labels in certain scenarios, which can lead
    to a cross-site scripting (XSS) vulnerability. This is mitigated by the fact that both the attacker and
    the targeted user need to be using the Layout Builder editing interface. (CVE-2026-55805)

  - The Image module allows you to define and configure image fields. The module doesn't sufficiently check
    access to image style derivatives when those files are served via a file stream other than private://.
    This vulnerability is mitigated by the fact that Drupal must be configured to use a contributed (non-core)
    file scheme to serve private derived images. Information disclosure issues like this one are not generally
    given security advisories (as described in PSA-2023-07-12)). This fix is provided as a hardening.
    Contributed modules implementing custom stream wrappers may need to add similar hardenings.
    (CVE-2026-15916)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://www.drupal.org/sa-core-2026-012");
  script_set_attribute(attribute:"see_also", value:"https://www.drupal.org/project/drupal/releases/10.6.13");
  script_set_attribute(attribute:"see_also", value:"https://www.drupal.org/project/drupal/releases/11.3.14");
  script_set_attribute(attribute:"see_also", value:"https://www.drupal.org/project/drupal/releases/11.4.4");
  script_set_attribute(attribute:"see_also", value:"https://www.drupal.org/psa-2021-06-29");
  script_set_attribute(attribute:"see_also", value:"https://www.drupal.org/psa-2023-11-01");
  script_set_attribute(attribute:"see_also", value:"https://www.drupal.org/sa-core-2026-011");
  script_set_attribute(attribute:"see_also", value:"https://www.drupal.org/sa-core-2026-010");
  script_set_attribute(attribute:"see_also", value:"https://www.drupal.org/psa-2023-07-12");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Drupal version 10.6.13 / 11.3.14 / 11.4.4 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-15917");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/07/15");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/07/15");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/07/15");

  script_set_attribute(attribute:"potential_vulnerability", value:"true");
  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:drupal:drupal");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_set_attribute(attribute:"thorough_tests", value:"true");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"CGI abuses");

  script_copyright(english:"This script is Copyright (C) 2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("drupal_detect.nasl");
  script_require_keys("installed_sw/Drupal", "Settings/ParanoidReport");
  script_require_ports("Services/www", 80, 443);

  exit(0);
}

include('vcf.inc');
include('http.inc');

if (report_paranoia < 2) audit(AUDIT_PARANOID);

var port = get_http_port(default:80, php:TRUE);

var app_info = vcf::get_app_info(app:'Drupal', port:port, webapp:TRUE);

vcf::check_granularity(app_info:app_info, sig_segments:2);

var constraints = [
  { 'min_version' : '10.6.0', 'fixed_version' : '10.6.13' },
  { 'min_version' : '11.3.0', 'fixed_version' : '11.3.14' },
  { 'min_version' : '11.4.0', 'fixed_version' : '11.4.4' }
];

vcf::check_version_and_report(
    app_info:app_info,
    constraints:constraints,
    severity:SECURITY_WARNING,
    flags:{'xss':TRUE}
);