CVE-2018-12395

By rewriting the Host: request headers using the webRequest API, a WebExtension can bypass domain restrictions through domain fronting. This would allow access to domains that share a host that are otherwise restricted. This vulnerability affects Firefox ESR 60.3 and Firefox 63...

The vulnerability of the WebExtension component of the Firefox browser, which allows a hacker to gain access to confidential data

The vulnerability of the WebExtension component in the Firefox browser is related to an extension error that prevents the loading and use of certain pages. Exploiting this vulnerability can allow a remote attacker to gain access to confidential data...

The vulnerability of the WebExtension component of the Firefox browser, related to an incorrect URI restriction that allows attackers to access confidential data

The vulnerability of the WebExtension component in the Firefox browser is related to an incorrect URI restriction. Exploiting this vulnerability could allow a remote attacker to gain access to confidential data...

Huawei EulerOS: Security Advisory for firefox (EulerOS-SA-2018-1384)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 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...

Huawei EulerOS: Security Advisory for firefox (EulerOS-SA-2018-1414)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 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...

Security update for MozillaThunderbird (important)

openSUSE Security Update: Security update for MozillaThunderbird Announcement ID: openSUSE-SU-2020:0003-1 Rating: important References: Affected Products: openSUSE Leap 15.1 An update that contains security fixes can now be installed. Description: This update for MozillaThunderbird fixes the...

CVE-2018-12396

A vulnerability where a WebExtension can run content scripts in disallowed contexts following navigation or other events. This allows for potential privilege escalation by the WebExtension on sites where content scripts should not be run. This vulnerability affects Firefox ESR 60.3 and Firefox 63...

SUSE-SU-2019:3339-1 Security update for MozillaThunderbird

This update for MozillaThunderbird fixes the following issues: Mozilla Thunderbird was updated to 68.3esr MFSA 2019-38 bsc1158328 Security issues fixed: - CVE-2019-17008: Fixed a use-after-free in worker destruction bmo1546331 - CVE-2019-13722: Fixed a stack corruption due to incorrect number of...

Privilege Escalation

Mozilla Firefox is vulnerable to privilege escalation. The vulnerability exists in an unknown functionality of the component WebExtension. An attacker could run content scripts in local pages without permission warnings when a local file is opened resulting in a privilege escalation...

Privilege Escalation

Mozilla Firefox is vulnerable to privilege escalation vulnerability. The vulnerability exists in some unknown processing of the component WebExtension. This is becasue a WebExtension can bypass domain restrictions through domain fronting by rewriting the Host: request headers using the webRequest...

Privilege Escalation

Mozilla Firefox is vulnerable to privilege escalation vulnerability. The vulnerability exists in an unknown function of the component WebExtension. An attacker could run content scripts disallowed contexts resulting in a potential privilege escalation...

Privilege Escalation

Firefox is vulnerable to privilege escalation attacks. A specially crafted WebExtension script may invoke the 'data:' protocol to access data from pages loaded by other web extensions to gain elevated privileges. This leads to obtain sensitive information on the target system...

SUSE-SU-2018:3749-3 Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues: Security issues fixed: - Update to Mozilla Firefox 60.3.0esr: MFSA 2018-27 bsc1112852 - CVE-2018-12392: Crash with nested event loops. - CVE-2018-12393: Integer overflow during Unicode conversion while loading JavaScript. - CVE-2018-12395...

CVE-2018-18495

WebExtension content scripts can be loaded into about: pages in some circumstances, in violation of the permissions granted to extensions. This could allow an extension to interfere with the loading and usage of these pages and use capabilities that were intended to be restricted from extensions...

CVE-2018-18495

WebExtension content scripts can be loaded into about: pages in some circumstances, in violation of the permissions granted to extensions. This could allow an extension to interfere with the loading and usage of these pages and use capabilities that were intended to be restricted from extensions...

CVE-2018-18495

WebExtension content scripts can be loaded into about: pages in some circumstances, in violation of the permissions granted to extensions. This could allow an extension to interfere with the loading and usage of these pages and use capabilities that were intended to be restricted from extensions...

Privilege escalation

A vulnerability where a WebExtension can run content scripts in disallowed contexts following navigation or other events. This allows for potential privilege escalation by the WebExtension on sites where content scripts should not be run. This vulnerability affects Firefox ESR 60.3 and Firefox 63...

CVE-2018-12396

A vulnerability where a WebExtension can run content scripts in disallowed contexts following navigation or other events. This allows for potential privilege escalation by the WebExtension on sites where content scripts should not be run. This vulnerability affects Firefox ESR 60.3 and Firefox 63...

CVE-2018-12396

A vulnerability where a WebExtension can run content scripts in disallowed contexts following navigation or other events. This allows for potential privilege escalation by the WebExtension on sites where content scripts should not be run. This vulnerability affects Firefox ESR 60.3 and Firefox 63...

Design/Logic Flaw

A WebExtension can request access to local files without the warning prompt stating that the extension will "Access your data for all websites" being displayed to the user. This allows extensions to run content scripts in local pages without permission warnings when a local file is opened. This...