vulnerability
MFSA2020-42 Firefox: Security Vulnerabilities fixed in Firefox 81 (CVE-2020-15676)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:N/I:P/A:N) | Sep 22, 2020 | Sep 23, 2020 | Aug 11, 2025 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
Sep 22, 2020
Added
Sep 23, 2020
Modified
Aug 11, 2025
Description
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.
Solution
mozilla-firefox-upgrade-81_0
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