CVE-2021-43540

WebExtensions with the correct permissions were able to create and install ServiceWorkers for third-party websites that would not have been uninstalled with the extension. This vulnerability affects Firefox 95...

Code injection

WebExtensions with the correct permissions were able to create and install ServiceWorkers for third-party websites that would not have been uninstalled with the extension. This vulnerability affects Firefox 95...

CVE-2021-43540

WebExtensions with the correct permissions were able to create and install ServiceWorkers for third-party websites that would not have been uninstalled with the extension. This vulnerability affects Firefox 95...

CVE-2021-43540

CVE-2021-43540 affects Mozilla Firefox prior to 95. WebExtensions with the correct permissions could create and install ServiceWorkers for third-party sites that would not be uninstalled with the extension. This is described as an access restriction bypass vulnerability in Firefox < 95. The re...

CVE-2021-43540

WebExtensions with the correct permissions were able to create and install ServiceWorkers for third-party websites that would not have been uninstalled with the extension. This vulnerability affects Firefox 95...

Mozilla Firefox < 95.0

The version of Firefox installed on the remote macOS or Mac OS X host is prior to 95.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2021-52 advisory. - Mozilla developers and community members Julian Hector, Randell Jesup, Gabriele Svelto, Tyson Smith, Christia...

CVE-2021-43540: Undefined Security Weakness

WebExtensions with the correct permissions were able to create and install ServiceWorkers for third-party websites that would not have been uninstalled with the extension. This vulnerability affects Firefox 95...

CVE-2021-43540

WebExtensions with the correct permissions were able to create and install ServiceWorkers for third-party websites that would not have been uninstalled with the extension. This vulnerability affects Firefox 95...

UBUNTU-CVE-2021-43540

WebExtensions with the correct permissions were able to create and install ServiceWorkers for third-party websites that would not have been uninstalled with the extension. This vulnerability affects Firefox 95...

SUSE: Security Advisory (SUSE-SU-2017:0426-1)

The remote host is missing an update for the 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 ifdescription...

The vulnerability in the API for searching extensions of the WebExtensions framework in the Mozilla Firefox browser allows a hacker to gain unauthorized access to protected information.

The vulnerability of the API for searching WebExtensions extensions in the Mozilla Firefox browser is related to an execution error when searching certain privileged pages, such as “about: debugging”. Exploiting this vulnerability can allow a malicious actor to gain unauthorized access to protect...

The vulnerability of the browser.tabs.executeScript() function in the WebExtensions extension of the Mozilla Firefox browser allows a hacker to perform cross-site scripting attacks.

The vulnerability of the browser.tabs.executeScript function in WebExtensions extensions of the Mozilla Firefox browser is related to access control deficiencies. Exploiting this vulnerability allows a remote attacker to perform cross-site scripting attacks...

The vulnerability in the WebExtensions extension of the Mozilla Firefox browser allows a hacker to gain unauthorized access to protected information.

The vulnerability of the WebExtensions extension in the Mozilla Firefox browser is related to deficiencies in restrictions when using the URL “view-source:” for viewing the local URL “file:”, as well as content stored in “about:cache”. Exploiting this vulnerability can allow an attacker to gain...

The vulnerability of Mozilla Firefox’s WebExtensions module allows a hacker to gain unauthorized access to protected information.

The vulnerability of the WebExtensions module in the Mozilla Firefox browser is related to a lack of mechanisms for checking input data. Exploiting this vulnerability can allow an attacker, operating remotely, to gain unauthorized access to protected information...

The vulnerability of Mozilla Firefox’s WebExtensions module allows attackers to increase their privileges.

The vulnerability of the WebExtensions module in the Mozilla Firefox browser is related to insufficient checking of permission assignment for critical resources. Exploiting this vulnerability can allow a remote attacker to increase their privileges...

The system’s vulnerability allows for the development of WebExtensions extensions for Firefox browsers and Firefox ESR, enabling attackers to increase their privileges.

The vulnerability of the system for developing WebExtensions extensions in Firefox browsers and Firefox ESR browsers relates to the ability to execute JavaScript scripts beyond the limitations. Exploiting this vulnerability can allow a remote attacker to enhance their privileges...

The system’s vulnerability allows for the development of WebExtensions extensions for Firefox browsers and Firefox ESR, enabling a hacker to gain unauthorized access to local files.

The vulnerability of the system for developing WebExtensions extensions in Firefox browsers and Firefox ESR browsers is related to the lack of protection for service data. Exploiting this vulnerability can allow a malicious actor to gain unauthorized access to local files without warning the user...

The system’s vulnerability allows for the development of WebExtensions extensions for Firefox browsers and Firefox ESR, enabling a hacker to gain unauthorized access to protected information.

The vulnerability of the system for developing WebExtensions extensions in Firefox browsers and Firefox ESR is related to access control deficiencies. Exploiting this vulnerability can allow a malicious actor to gain unauthorized access to protected information by modifying the Host: request...

The vulnerability of the cross-browser system used for developing WebExtensions extensions in the Firefox web browser allows a hacker to gain unauthorized access to protected information.

The vulnerability of the cross-browser system used for developing WebExtensions extensions in the Firefox web browser is related to deficiencies in access control. Exploiting this vulnerability could allow a malicious actor, operating remotely, to gain unauthorized access to protected information...

The vulnerability of the cross-browser system for developing WebExtensions extensions in Firefox and Firefox ESR browsers allows attackers to increase their privileges.

The vulnerability of the cross-browser system used for developing WebExtensions extensions in Firefox and Firefox ESR is related to deficiencies in access control. Exploiting this vulnerability can allow a malicious actor to enhance their privileges remotely...