CVE-2022-3032
Mozilla: Remote content specified in an HTML document that was nested inside an iframe's srcdoc attribute was not blocked
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · August 31, 2022
Updated · November 22, 2025
Description
A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of when receiving an HTML email that contained an iframe element, which used a srcdoc attribute to define the internal HTML document, remote objects specified in the nested document (for example, images or videos), were not blocked. Rather, the network was accessed, and the objects were loaded and displayed.
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 3.0 · 6.1CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE-1021 · Improper Restriction of Rendered UI Layers or Frames