CVE-2019-11761
Mozilla: Unintended access to a privileged JSONView object
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 22, 2019
Updated · November 22, 2025
Description
A vulnerability was found in Mozilla Firefox and Thunderbird. Privileged JSONView objects that have been cloned into content can be accessed using a form with a data URI. This flaw bypasses existing defense-in-depth mechanisms and can be exploited over the network.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.4CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
CWE-749 · Exposed Dangerous Method or Function