Not rated
CVE-2020-15676 Firefox sometimes ran the onload handler for SVG elements that the DOM sanitizer decided to remove, resulting in…
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 81 | earliest → < 81 | 81 |
| Thunderbird 78.3 | earliest → < 78.3 | 78.3 |
| Firefox ESR 78.3 | earliest → < 78.3 | 78.3 |