CVE-2021-38492

When delegating navigations to the operating system, Firefox would accept the `mk` scheme which might allow attackers to launch pages and execute scripts in…

published November 3, 2021

CVSS
—
EPSS
1%
Percentile
66.7
In the wild
Unconfirmed
What it is

When delegating navigations to the operating system, Firefox would accept the `mk` scheme which might allow attackers to launch pages and execute scripts in Internet Explorer in unprivileged mode. *This bug only affects Firefox for Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 92, Thunderbird < 91.1, Thunderbird < 78.14, Firefox ESR < 78.14, and Firefox ESR < 91.1.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01155 · 66.7th percentile
Published
2021-11-03T00:03Z
EPSS history
Timeline
  • 03 NOV 00:03Z
    When delegating navigations to the operating system, Firefox would accept the `mk` scheme which might allow attackers to launch pages and execute scripts in…
    cvelistv5