Introducing: Malwarebytes Browser Extension

Are you tired of all the unwanted content the world wide web offers up, whether you like it or not? It is our privilege to introduce you to the Malwarebytes Browser Extension BETA. Or, better said, the Malwarebytes Browser Extensions, because we have one for Firefox and one for Chrome. Introducti...

Pinterest Browser Extension Injects Unwanted Code into 5K Websites

A buggy Mozilla Firefox browser extension for sharing links to Pinterest has automatically injected malformed code into at least 5,000 websites. The code injection in this instance was not malicious, but researchers at Sucuri, which discovered and reported the problem on Tuesday, said the inciden...

CVE-2017-7820

The "instanceof" operator can bypass the Xray wrapper mechanism. When called on web content from the browser itself or an extension the web content can provide its own result for that operator, possibly tricking the browser or extension into mishandling the element. This vulnerability affects...

ZenMate VPN Browser Extension Deanonymization & Hijacking Vulnerability (3.5 Million Affected Users)

Summary ZenMate, a VPN provider with over 43 million users, offers multiple browser extensions to use their VPN with. As of the time of this writing the browser extensions have a combined total of 3.5 million users. The ZenMate VPN clients for both Chrome & Firefox trust the previously expired...

Malicious gaming extensions: a child’s play to infection

Did you ever lend your laptop to a child to play a video game, only to get it back filled with advertisements? Our CEO knows a little bit about that predicament, having unknowingly infected his parents' computer when he was a kid. But times have changed since then. Let us play for you a modern-da...

Critical Flaw in Grammarly Spell Checker Could Let Attackers Steal Your Data

A critical vulnerability discovered in the Chrome and Firefox browser extension of the grammar-checking software Grammarly inadvertently left all 22 million users' accounts, including their personal documents and records, vulnerable to remote hackers. According to Google Project Zero researcher...

Malicious Chrome Extension Steals Data Posted to Any Website

Malicious browser extensions continue to bear fruit for hackers who have been using them to spread banking malware and adware, and hijacking popular add-ons to spread other nasty code. The latest abuse involves a Google Chrome extension being spread in phishing emails that steals any data posted...

CVE-2017-7820

The "instanceof" operator can bypass the Xray wrapper mechanism. When called on web content from the browser itself or an extension the web content can provide its own result for that operator, possibly tricking the browser or extension into mishandling the element. This vulnerability affects...

The two did not repair the vulnerabilities affect the mainstream browser extension system-vulnerability warning-the black bar safety net

Security researchers found that the two did not fix the vulnerability embedded in many mainstream browsers in the expansion of the system, such as Firefox, Safari, and all with Chromium related browsers such as Chrome, Opera, etc. ! An attacker can exploit these vulnerabilities expose the user of...

Design/Logic Flaw

A vulnerability in Cisco WebEx browser extensions for Google Chrome and Mozilla Firefox could allow an unauthenticated, remote attacker to execute arbitrary code with the privileges of the affected browser on an affected system. This vulnerability affects the browser extensions for Cisco WebEx...

Cisco Webex Meetings Server Browser Extension Remote Code Execution Vulnerability

Cisco Webex Meetings Server is prone to a remote code execution RCE vulnerability. SPDX-FileCopyrightText: 2017 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 =...

Cisco WebEx Browser Extension Remote Code Execution Vulnerability

Google Chrome for Windows is a Windows-based Web browser developed by Google.Mozilla Firefox for Windows is an open-source Windows-based Web browser from the Mozilla Foundation.Cisco WebEx Browser Extension is applied to one of the United States Cisco Cisco company's online meeting extension...

Critical RCE Vulnerability Found in Cisco WebEx Extensions, Again — Patch Now!

A highly critical vulnerability has been discovered in the Cisco Systems’ WebEx browser extension for Chrome and Firefox, for the second time in this year, which could allow attackers to remotely execute malicious code on a victim's computer. Cisco WebEx is a popular communication tool for online...

Cisco Releases Security Updates

Cisco has released security updates to address a vulnerability in its WebEx browser extension on Google Chrome and Mozilla Firefox. A remote attacker could exploit this vulnerability to take control of a system. US-CERT encourages users and administrators to review the Cisco Security Advisory for...

CVE-2017-3823

The CVE-2017-3823 issue affects Cisco WebEx browser extensions: Chrome WebEx Extension prior to 1.0.7, Firefox’s ActiveTouch General Plugin Container prior to 106, Internet Explorer’s GpcContainer ActiveX control prior to 10031.6.2017.0126, and Internet Explorer’s Download Manager ActiveX control...

WebEx browser extension command execution

Added: 01/26/2017 CVE: CVE-2017-3823 BID: 95737 Background Cisco WebEx is an online meeting solution. Extensions are available for all major web browsers, which enable users to join meetings from their browser. Problem A vulnerability in the WebEx browser extensions allows command execution when ...

Chrome Browser Extension Enumeration

Binary data winchromebrowseraddons.nbin...

Firefox Browser Extension Enumeration

Binary data winfirefoxbrowseraddons.nbin...

CVE-2 0 1 6-4 7 5 8:for Safari browser UXSS vulnerability analysis-vulnerability warning-the black bar safety net

! Foreword In this article, I'm ready to share with you about Vulnerability CVE-2 0 1 6-4 7 5 8 details. This vulnerability is a Safari in a UXSS vulnerability. The so-called UXSS, i.e., a universal cross-site scripting attacks. Currently, Apple has in Safari 1 0. fixes this vulnerability. The...

LastPass Patches Ormandy Remote Compromise Flaw

LastPass has patched a vulnerability in its Firefox add-on found by Google Project Zero researcher Tavis Ormandy that allows attackers complete remote compromise of the password manager, . The divisive Ormandy submitted a bug report on Tuesday to LastPass after a series of tweets hinting at serio...