CVE-2023-6869
First published: Tue Dec 19 2023(Updated: )
A `<dialog>` element could have been manipulated to paint content outside of a sandboxed iframe. This could allow untrusted content to display under the guise of trusted content. This vulnerability affects Firefox < 121.
Credit: security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Firefox | <121 | 121 |
| Firefox | <121.0 | |
| debian/firefox | 137.0.1-1 |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1799036
- https://www.mozilla.org/security/advisories/mfsa2023-56/
- https://security.gentoo.org/glsa/202401-10
- https://launchpad.net/bugs/cve/CVE-2023-6869
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-56/
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-56/#CVE-2023-6869
- https://security-tracker.debian.org/tracker/CVE-2023-6869
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6869
- https://nvd.nist.gov/vuln/detail/CVE-2023-6869
- https://ubuntu.com/security/CVE-2023-6869
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2023-6869?
CVE-2023-6869 has been classified with a moderate severity level due to its potential to deceive users by allowing untrusted content to appear as trusted.
How do I fix CVE-2023-6869?
To fix CVE-2023-6869, update your Firefox browser to version 121 or later.
Which versions of Firefox are affected by CVE-2023-6869?
CVE-2023-6869 affects all versions of Firefox prior to version 121.
What can be exploited through CVE-2023-6869?
CVE-2023-6869 can be exploited to manipulate a <dialog> element to paint content outside of a sandboxed iframe.
Is there a workaround for CVE-2023-6869?
There are no known effective workarounds for CVE-2023-6869; updating to a secure version of Firefox is recommended.
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