CVEvulnerability

CVE-2021-38492

6.5 MEDIUM Published 2021-11-03 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-11-03
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CVSS 2.0 ([email protected])
4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:P/A:N

Description

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.

Affected configurations

• mozilla firefox (< 92.0) • mozilla firefox (>= 91.0 < 91.1) • mozilla firefox esr (< 78.14) • mozilla thunderbird (< 78.14) • mozilla thunderbird (>= 91.0 < 91.1)

References