CVE-2023-6869

Description

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.

6.5

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.18%

Vendor Advisory mozilla.org

Affected: Mozilla Firefox

References

Link	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=1799036	issue tracking permissions required
https://www.mozilla.org/security/advisories/mfsa2023-56/	vendor advisory
https://security.gentoo.org/glsa/202401-10	third party advisory

Frequently Asked Questions

What is the severity of CVE-2023-6869?: CVE-2023-6869 has been scored as a medium severity vulnerability.
How to fix CVE-2023-6869?: To fix CVE-2023-6869, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-6869 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2023-6869 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-6869?: CVE-2023-6869 affects Mozilla Firefox.

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