CVE-2020-26239

MEDIUM Year: 2020
CVSS v3 Score
5.4
Medium
CVSS v2 Score
3.5
Low
Weakness Type
CWE-79
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Vulnerability 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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