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Cross-site Scripting (XSS) Affecting firefox package, versions <69.0-1

0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Scope Changed

    Threat Intelligence

    EPSS 0.08% (36th percentile)
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NVD
6.1 medium
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Red Hat
6.1 medium

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  • Snyk ID SNYK-DEBIANUNSTABLE-FIREFOX-460705
  • published 3 Sep 2019
  • disclosed 27 Sep 2019
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Introduced: 3 Sep 2019

CVE-2019-11741 Open this link in a new tab
CWE-79 Open this link in a new tab

How to fix?

Upgrade Debian:unstable firefox to version 69.0-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

A compromised sandboxed content process can perform a Universal Cross-site Scripting (UXSS) attack on content from any site it can cause to be loaded in the same process. Because addons.mozilla.org and accounts.firefox.com have close ties to the Firefox product, malicious manipulation of these sites within the browser can potentially be used to modify a user's Firefox configuration. These two sites will now be isolated into their own process and not allowed to be loaded in a standard content process. This vulnerability affects Firefox < 69.