CVE-2026-54163 secure_headers: CSP directive injection via sandbox, plugin_types, and report_to when given untrusted input

secureheaders manages application of security headers with many safe defaults. Prior to 7.3.0, secureheaders builds the Content-Security-Policy value by stitching directives with ; separators, and buildsandboxlistdirective, buildmediatypelistdirective, and buildreporttodirective interpolate...

CVE-2026-54163

Summary: The vulnerability CVE-2026-54163 affects the Ruby gem secure_headers (pre-7.3.0). When applications feed untrusted input into CSP-related directives via override_content_security_policy_directives or related APIs, the three builders—build_sandbox_list_directive, build_media_type_list_dir...

CVE-2026-54163 secure_headers: CSP directive injection via sandbox, plugin_types, and report_to when given untrusted input

secureheaders manages application of security headers with many safe defaults. Prior to 7.3.0, secureheaders builds the Content-Security-Policy value by stitching directives with ; separators, and buildsandboxlistdirective, buildmediatypelistdirective, and buildreporttodirective interpolate...

Secure Headers: CSP directive injection via sandbox, plugin_types, and report_to when given untrusted input

Summary secureheaders builds the Content-Security-Policy value by stitching every configured directive together with ; separators. Three directive builders buildsandboxlistdirective, buildmediatypelistdirective, buildreporttodirective interpolate caller-supplied strings into that value without...

PT-2026-57369

Name of the Vulnerable Software and Affected Versions secure headers versions prior to 7.3.0 Description The software fails to properly sanitize caller-supplied strings when building the Content-Security-Policy CSP header. Specifically, the functions build sandbox list directive, build media type...

PYSEC-2026-366 Jupyter Server: Stored XSS in `NbconvertFileHandler` / `NbconvertPostHandler` via missing `sandbox` CSP

The nbconvert HTTP handlers in jupyterserver render user-authored notebook HTML under the Jupyter origin without a sandbox directive in their Content-Security-Policy. Combined with nbconvert.HTMLExporter's default non-sanitizing behavior, a notebook carrying an HTML payload in a displaydata outpu...

EUVD-2017-16798

Malware in sbrugna...

EUVD-2021-30472

Malicious code in bioql PyPI...

CentOS 7 : firefox (RHSA-2021:5014)

The remote CentOS Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:5014 advisory. - Mozilla developers and community members Julian Hector, Randell Jesup, Gabriele Svelto, Tyson Smith, Christian Holler, and Masayuki Nakano reported...

SUSE CVE-2017-7803

When a page's content security policy CSP header contains a "sandbox" directive, other directives are ignored. This results in the incorrect enforcement of CSP. This vulnerability affects Thunderbird 52.3, Firefox ESR 52.3, and Firefox 55...

SUSE CVE-2017-7823

The content security policy CSP "sandbox" directive did not create a unique origin for the document, causing it to behave as if the "allow-same-origin" keyword were always specified. This could allow a Cross-Site Scripting XSS attack to be launched from unsafe content. This vulnerability affects...

Mageia: Security Advisory (MGASA-2021-0554)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

CentOS: Security Advisory for firefox (CESA-2021:5014)

The remote host is missing an update for the Copyright C 2022 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

openSUSE 15 Security Update : MozillaFirefox (openSUSE-SU-2021:1575-1)

The remote SUSE Linux SUSE15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2021:1575-1 advisory. - Under certain circumstances, asynchronous functions could have caused a navigation to fail but expose the target URL. This vulnerability...

Mozilla Thunderbird Security Advisories (MFSA2021-50, MFSA2021-54) - Mac OS X

Mozilla Thunderbird is prone to multiple vulnerabilities. SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:mozilla:thunderbird";...

Mozilla Thunderbird Security Advisories (MFSA2021-50, MFSA2021-54) - Windows

Mozilla Thunderbird is prone to multiple vulnerabilities. SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:mozilla:thunderbird";...

Mozilla Firefox ESR Security Advisory (MFSA2021-53) - Mac OS X

Mozilla Firefox ESR is prone to multiple vulnerabilities. SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:mozilla:firefoxesr";...

SUSE SLES11: MozillaFirefox / MozillaFirefox-translations-common / etc (SUSE-SU-2021:14859-1)

The remote SUSE Linux SLES11 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:14859-1 advisory. Update to Extended Support Release 91.4.0 bsc1193485: - CVE-2021-43536: URL leakage when navigating while executing asynchronous function -...

RHEL 8 : thunderbird (RHSA-2021:5055)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:5055 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 91.4.0. Security Fixes: Mozilla:...

CentOS 8 : thunderbird (CESA-2021:5045)

The remote CentOS Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the CESA-2021:5045 advisory. - Mozilla: JavaScript unexpectedly enabled for the composition area CVE-2021-43528 - Mozilla: URL leakage when navigating while executing asynchronous...