CVE-2022-26384

critical

Description

If an attacker could control the contents of an iframe sandboxed with <code>allow-popups</code> but not <code>allow-scripts</code>, they were able to craft a link that, when clicked, would lead to JavaScript execution in violation of the sandbox. This vulnerability affects Firefox < 98, Firefox ESR < 91.7, and Thunderbird < 91.7.

References

https://www.mozilla.org/security/advisories/mfsa2022-12/

https://www.mozilla.org/security/advisories/mfsa2022-11/

https://www.mozilla.org/security/advisories/mfsa2022-10/

https://bugzilla.mozilla.org/show_bug.cgi?id=1744352

Details

Source: MITRE

Published: 2022-12-22

Updated: 2022-12-30

CVSS v3

Base Score: 9.6

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Impact Score: 6

Exploitability Score: 2.8

Severity: CRITICAL