Cross-site Scripting (XSS) Affecting thunderbird package, versions <1:68.4.1-1


0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Scope Changed

    Threat Intelligence

    EPSS 0.45% (75th percentile)
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NVD
6.1 medium
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Red Hat
6.1 medium
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SUSE
6.1 medium

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  • Snyk ID SNYK-DEBIANUNSTABLE-THUNDERBIRD-541506
  • published 7 Jan 2020
  • disclosed 8 Jan 2020

How to fix?

Upgrade Debian:unstable thunderbird to version 1:68.4.1-1 or higher.

NVD Description

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

When pasting a &lt;style&gt; tag from the clipboard into a rich text editor, the CSS sanitizer incorrectly rewrites a @namespace rule. This could allow for injection into certain types of websites resulting in data exfiltration. This vulnerability affects Firefox ESR < 68.4 and Firefox < 72.