CVE-2021-38492
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 1.2%
exploitation probability
1.2%top 34% of all CVEs
observed exploitation
nono source reports it
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.
References
https://bugzilla.mozilla.org/show_bug.cgi?id=1721107https://security.gentoo.org/glsa/202208-14https://www.mozilla.org/security/advisories/mfsa2021-38/https://www.mozilla.org/security/advisories/mfsa2021-39/https://www.mozilla.org/security/advisories/mfsa2021-40/https://www.mozilla.org/security/advisories/mfsa2021-41/https://www.mozilla.org/security/advisories/mfsa2021-42/