CVE-2021-29961

When styling and rendering an oversized `<select>` element, Firefox did not apply correct clipping which allowed an attacker to paint over the user interface

published June 24, 2021

CVSS
—
EPSS
1%
Percentile
54.9
In the wild
Unconfirmed
What it is

When styling and rendering an oversized `<select>` element, Firefox did not apply correct clipping which allowed an attacker to paint over the user interface. This vulnerability affects Firefox < 89.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00760 · 54.9th percentile
Published
2021-06-24T13:15Z
EPSS history
Timeline
  • 24 JUN 13:15Z
    When styling and rendering an oversized `<select>` element, Firefox did not apply correct clipping which allowed an attacker to paint over the user interface
    cvelistv5