Cross-site Scripting (XSS) Affecting thunderbird package, versions <1:78.3.1-1
Snyk CVSS
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Test your applications- Snyk ID SNYK-DEBIANUNSTABLE-THUNDERBIRD-1013750
- published 23 Sep 2020
- disclosed 1 Oct 2020
Introduced: 23 Sep 2020
CVE-2020-15676 Open this link in a new tabHow to fix?
Upgrade Debian:unstable
thunderbird
to version 1:78.3.1-1 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.
Firefox sometimes ran the onload handler for SVG elements that the DOM sanitizer decided to remove, resulting in JavaScript being executed after pasting attacker-controlled data into a contenteditable element. This vulnerability affects Firefox < 81, Thunderbird < 78.3, and Firefox ESR < 78.3.