Security Advisory

CVE-2020-26239

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2020-11-23 19:05:15

Last updated 2024-08-04 15:56:04

Assigner GitHub_M

State PUBLISHED

Description

Scratch Addons is a WebExtension that supports both Chrome and Firefox. Scratch Addons before version 1.3.2 is vulnerable to DOM-based XSS. If the victim visited a specific website, the More Links addon of the Scratch Addons extension used incorrect regular expression which caused the HTML-escaped values to be unescaped, leading to XSS. Scratch Addons version 1.3.2 fixes the bug. The extension will be automatically updated by the browser. More Links addon can be disabled via the option of the extension.

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