Multiple Interpretations of UI Input in Mozilla Firefox and Firefox for Android - CVE-2023-6869
Published: December 19, 2023
Vulnerability identifier: #VU84571
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-6869
CWE-ID: CWE-450
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Mozilla
Affected software:
Mozilla Firefox
Firefox for Android
Mozilla Firefox
Firefox for Android
Detailed vulnerability description
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to an error when displaying browser content. A <dialog> element can be manipulated to paint content outside of a sandboxed iframe, which could allow untrusted content to display under the guise of trusted content.
How to mitigate CVE-2023-6869
Install updates from vendor's website.